Home / 948,316.85-1,308,677.20-518,597.27

Finding the Fourth Proportional to 948,316.85, 1,308,677.20 and 518,597.27

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Solution

The fourth proportional to 948,316.85, 1,308,677.20 and 518,597.27 is: 715,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,316.85 : 1,308,677.20 = 518,597.27 : x
  2. Step 2: Convert to fraction form
    948,316.85/1,308,677.20 = 518,597.27/x
  3. Step 3: Cross multiply
    948,316.85x = 1,308,677.20 × 518,597.27
  4. Step 4: Simplify right side
    948,316.85x = 678,676,415,391.37
  5. Step 5: Solve for x
    x = 678,676,415,391.37/948,316.85
  6. Step 6: Final answer
    x = 715,664.20

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Double scale
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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.