Home / 802,565.93-1,107,517.01-439,977.39

Finding the Fourth Proportional to 802,565.93, 1,107,517.01 and 439,977.39

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Solution

The fourth proportional to 802,565.93, 1,107,517.01 and 439,977.39 is: 607,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,565.93 : 1,107,517.01 = 439,977.39 : x
  2. Step 2: Convert to fraction form
    802,565.93/1,107,517.01 = 439,977.39/x
  3. Step 3: Cross multiply
    802,565.93x = 1,107,517.01 × 439,977.39
  4. Step 4: Simplify right side
    802,565.93x = 487,282,441,240.52
  5. Step 5: Solve for x
    x = 487,282,441,240.52/802,565.93
  6. Step 6: Final answer
    x = 607,155.66

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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.