Home / 758,593.60-1,137,890.40-665,281.60

Finding the Fourth Proportional to 758,593.60, 1,137,890.40 and 665,281.60

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Solution

The fourth proportional to 758,593.60, 1,137,890.40 and 665,281.60 is: 997,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,593.60 : 1,137,890.40 = 665,281.60 : x
  2. Step 2: Convert to fraction form
    758,593.60/1,137,890.40 = 665,281.60/x
  3. Step 3: Cross multiply
    758,593.60x = 1,137,890.40 × 665,281.60
  4. Step 4: Simplify right side
    758,593.60x = 757,017,545,936.64
  5. Step 5: Solve for x
    x = 757,017,545,936.64/758,593.60
  6. Step 6: Final answer
    x = 997,922.40

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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.