Home / 1,011,275.52-1,516,326.48-478,792.08

Finding the Fourth Proportional to 1,011,275.52, 1,516,326.48 and 478,792.08

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Solution

The fourth proportional to 1,011,275.52, 1,516,326.48 and 478,792.08 is: 717,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,275.52 : 1,516,326.48 = 478,792.08 : x
  2. Step 2: Convert to fraction form
    1,011,275.52/1,516,326.48 = 478,792.08/x
  3. Step 3: Cross multiply
    1,011,275.52x = 1,516,326.48 × 478,792.08
  4. Step 4: Simplify right side
    1,011,275.52x = 726,005,109,318.28
  5. Step 5: Solve for x
    x = 726,005,109,318.28/1,011,275.52
  6. Step 6: Final answer
    x = 717,910.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.