Home / 761,898.27-1,051,414.02-417,728.52

Finding the Fourth Proportional to 761,898.27, 1,051,414.02 and 417,728.52

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Solution

The fourth proportional to 761,898.27, 1,051,414.02 and 417,728.52 is: 576,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,898.27 : 1,051,414.02 = 417,728.52 : x
  2. Step 2: Convert to fraction form
    761,898.27/1,051,414.02 = 417,728.52/x
  3. Step 3: Cross multiply
    761,898.27x = 1,051,414.02 × 417,728.52
  4. Step 4: Simplify right side
    761,898.27x = 439,205,622,481.85
  5. Step 5: Solve for x
    x = 439,205,622,481.85/761,898.27
  6. Step 6: Final answer
    x = 576,462.29

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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.