Home / 765,722.08-1,148,755.95-253,385.91

Finding the Fourth Proportional to 765,722.08, 1,148,755.95 and 253,385.91

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Solution

The fourth proportional to 765,722.08, 1,148,755.95 and 253,385.91 is: 380,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,722.08 : 1,148,755.95 = 253,385.91 : x
  2. Step 2: Convert to fraction form
    765,722.08/1,148,755.95 = 253,385.91/x
  3. Step 3: Cross multiply
    765,722.08x = 1,148,755.95 × 253,385.91
  4. Step 4: Simplify right side
    765,722.08x = 291,078,571,758.67
  5. Step 5: Solve for x
    x = 291,078,571,758.67/765,722.08
  6. Step 6: Final answer
    x = 380,136.06

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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.