Home / 728,753.77-1,090,888.64-475,488.92

Finding the Fourth Proportional to 728,753.77, 1,090,888.64 and 475,488.92

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Solution

The fourth proportional to 728,753.77, 1,090,888.64 and 475,488.92 is: 711,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,753.77 : 1,090,888.64 = 475,488.92 : x
  2. Step 2: Convert to fraction form
    728,753.77/1,090,888.64 = 475,488.92/x
  3. Step 3: Cross multiply
    728,753.77x = 1,090,888.64 × 475,488.92
  4. Step 4: Simplify right side
    728,753.77x = 518,705,461,273.87
  5. Step 5: Solve for x
    x = 518,705,461,273.87/728,753.77
  6. Step 6: Final answer
    x = 711,770.54

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1.5x scale

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.