Home / 815,508.16-1,125,387-452,918.16

Finding the Fourth Proportional to 815,508.16, 1,125,387 and 452,918.16

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Solution

The fourth proportional to 815,508.16, 1,125,387 and 452,918.16 is: 625,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,508.16 : 1,125,387 = 452,918.16 : x
  2. Step 2: Convert to fraction form
    815,508.16/1,125,387 = 452,918.16/x
  3. Step 3: Cross multiply
    815,508.16x = 1,125,387 × 452,918.16
  4. Step 4: Simplify right side
    815,508.16x = 509,708,209,327.92
  5. Step 5: Solve for x
    x = 509,708,209,327.92/815,508.16
  6. Step 6: Final answer
    x = 625,019.14

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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.