Home / 948,011.64-1,308,203.10-518,206.20

Finding the Fourth Proportional to 948,011.64, 1,308,203.10 and 518,206.20

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Solution

The fourth proportional to 948,011.64, 1,308,203.10 and 518,206.20 is: 715,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,011.64 : 1,308,203.10 = 518,206.20 : x
  2. Step 2: Convert to fraction form
    948,011.64/1,308,203.10 = 518,206.20/x
  3. Step 3: Cross multiply
    948,011.64x = 1,308,203.10 × 518,206.20
  4. Step 4: Simplify right side
    948,011.64x = 677,918,957,279.22
  5. Step 5: Solve for x
    x = 677,918,957,279.22/948,011.64
  6. Step 6: Final answer
    x = 715,095.61

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.