Home / 761,843.79-1,051,356.33-417,711.15

Finding the Fourth Proportional to 761,843.79, 1,051,356.33 and 417,711.15

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Solution

The fourth proportional to 761,843.79, 1,051,356.33 and 417,711.15 is: 576,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,843.79 : 1,051,356.33 = 417,711.15 : x
  2. Step 2: Convert to fraction form
    761,843.79/1,051,356.33 = 417,711.15/x
  3. Step 3: Cross multiply
    761,843.79x = 1,051,356.33 × 417,711.15
  4. Step 4: Simplify right side
    761,843.79x = 439,163,261,664.08
  5. Step 5: Solve for x
    x = 439,163,261,664.08/761,843.79
  6. Step 6: Final answer
    x = 576,447.91

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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.