Home / 866,925.60-1,298,638.80-492,511.20

Finding the Fourth Proportional to 866,925.60, 1,298,638.80 and 492,511.20

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Solution

The fourth proportional to 866,925.60, 1,298,638.80 and 492,511.20 is: 737,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,925.60 : 1,298,638.80 = 492,511.20 : x
  2. Step 2: Convert to fraction form
    866,925.60/1,298,638.80 = 492,511.20/x
  3. Step 3: Cross multiply
    866,925.60x = 1,298,638.80 × 492,511.20
  4. Step 4: Simplify right side
    866,925.60x = 639,594,153,754.56
  5. Step 5: Solve for x
    x = 639,594,153,754.56/866,925.60
  6. Step 6: Final answer
    x = 737,772.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.