Home / 777,787.68-1,073,347.02-420,091.68

Finding the Fourth Proportional to 777,787.68, 1,073,347.02 and 420,091.68

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Solution

The fourth proportional to 777,787.68, 1,073,347.02 and 420,091.68 is: 579,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,787.68 : 1,073,347.02 = 420,091.68 : x
  2. Step 2: Convert to fraction form
    777,787.68/1,073,347.02 = 420,091.68/x
  3. Step 3: Cross multiply
    777,787.68x = 1,073,347.02 × 420,091.68
  4. Step 4: Simplify right side
    777,787.68x = 450,904,152,854.79
  5. Step 5: Solve for x
    x = 450,904,152,854.79/777,787.68
  6. Step 6: Final answer
    x = 579,726.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.