Home / 906,778.66-1,251,354.50-498,871.74

Finding the Fourth Proportional to 906,778.66, 1,251,354.50 and 498,871.74

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Solution

The fourth proportional to 906,778.66, 1,251,354.50 and 498,871.74 is: 688,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,778.66 : 1,251,354.50 = 498,871.74 : x
  2. Step 2: Convert to fraction form
    906,778.66/1,251,354.50 = 498,871.74/x
  3. Step 3: Cross multiply
    906,778.66x = 1,251,354.50 × 498,871.74
  4. Step 4: Simplify right side
    906,778.66x = 624,265,396,771.83
  5. Step 5: Solve for x
    x = 624,265,396,771.83/906,778.66
  6. Step 6: Final answer
    x = 688,442.97

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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.