Home / 688,510.60-1,032,765.90-531,046.60

Finding the Fourth Proportional to 688,510.60, 1,032,765.90 and 531,046.60

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Solution

The fourth proportional to 688,510.60, 1,032,765.90 and 531,046.60 is: 796,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,510.60 : 1,032,765.90 = 531,046.60 : x
  2. Step 2: Convert to fraction form
    688,510.60/1,032,765.90 = 531,046.60/x
  3. Step 3: Cross multiply
    688,510.60x = 1,032,765.90 × 531,046.60
  4. Step 4: Simplify right side
    688,510.60x = 548,446,819,790.94
  5. Step 5: Solve for x
    x = 548,446,819,790.94/688,510.60
  6. Step 6: Final answer
    x = 796,569.90

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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.