Home / 761,813.28-1,051,279.56-417,637.44

Finding the Fourth Proportional to 761,813.28, 1,051,279.56 and 417,637.44

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Solution

The fourth proportional to 761,813.28, 1,051,279.56 and 417,637.44 is: 576,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,813.28 : 1,051,279.56 = 417,637.44 : x
  2. Step 2: Convert to fraction form
    761,813.28/1,051,279.56 = 417,637.44/x
  3. Step 3: Cross multiply
    761,813.28x = 1,051,279.56 × 417,637.44
  4. Step 4: Simplify right side
    761,813.28x = 439,053,704,162.73
  5. Step 5: Solve for x
    x = 439,053,704,162.73/761,813.28
  6. Step 6: Final answer
    x = 576,327.19

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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.