Home / 754,145.10-1,131,217.65-529,758.90

Finding the Fourth Proportional to 754,145.10, 1,131,217.65 and 529,758.90

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Solution

The fourth proportional to 754,145.10, 1,131,217.65 and 529,758.90 is: 794,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,145.10 : 1,131,217.65 = 529,758.90 : x
  2. Step 2: Convert to fraction form
    754,145.10/1,131,217.65 = 529,758.90/x
  3. Step 3: Cross multiply
    754,145.10x = 1,131,217.65 × 529,758.90
  4. Step 4: Simplify right side
    754,145.10x = 599,272,617,924.59
  5. Step 5: Solve for x
    x = 599,272,617,924.59/754,145.10
  6. Step 6: Final answer
    x = 794,638.35

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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.