Home / 948,459.12-1,308,857.04-518,729.82

Finding the Fourth Proportional to 948,459.12, 1,308,857.04 and 518,729.82

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Solution

The fourth proportional to 948,459.12, 1,308,857.04 and 518,729.82 is: 715,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,459.12 : 1,308,857.04 = 518,729.82 : x
  2. Step 2: Convert to fraction form
    948,459.12/1,308,857.04 = 518,729.82/x
  3. Step 3: Cross multiply
    948,459.12x = 1,308,857.04 × 518,729.82
  4. Step 4: Simplify right side
    948,459.12x = 678,943,176,764.93
  5. Step 5: Solve for x
    x = 678,943,176,764.93/948,459.12
  6. Step 6: Final answer
    x = 715,838.10

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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.