Home / 708,114.95-1,062,615.30-287,390.83

Finding the Fourth Proportional to 708,114.95, 1,062,615.30 and 287,390.83

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Solution

The fourth proportional to 708,114.95, 1,062,615.30 and 287,390.83 is: 431,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,114.95 : 1,062,615.30 = 287,390.83 : x
  2. Step 2: Convert to fraction form
    708,114.95/1,062,615.30 = 287,390.83/x
  3. Step 3: Cross multiply
    708,114.95x = 1,062,615.30 × 287,390.83
  4. Step 4: Simplify right side
    708,114.95x = 305,385,893,037.70
  5. Step 5: Solve for x
    x = 305,385,893,037.70/708,114.95
  6. Step 6: Final answer
    x = 431,265.99

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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.