Home / 728,752.77-1,090,887.14-475,487.92

Finding the Fourth Proportional to 728,752.77, 1,090,887.14 and 475,487.92

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Solution

The fourth proportional to 728,752.77, 1,090,887.14 and 475,487.92 is: 711,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,752.77 : 1,090,887.14 = 475,487.92 : x
  2. Step 2: Convert to fraction form
    728,752.77/1,090,887.14 = 475,487.92/x
  3. Step 3: Cross multiply
    728,752.77x = 1,090,887.14 × 475,487.92
  4. Step 4: Simplify right side
    728,752.77x = 518,703,659,705.68
  5. Step 5: Solve for x
    x = 518,703,659,705.68/728,752.77
  6. Step 6: Final answer
    x = 711,769.04

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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.