Home / 753,114.30-1,129,315.05-437,667.90

Finding the Fourth Proportional to 753,114.30, 1,129,315.05 and 437,667.90

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Solution

The fourth proportional to 753,114.30, 1,129,315.05 and 437,667.90 is: 656,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,114.30 : 1,129,315.05 = 437,667.90 : x
  2. Step 2: Convert to fraction form
    753,114.30/1,129,315.05 = 437,667.90/x
  3. Step 3: Cross multiply
    753,114.30x = 1,129,315.05 × 437,667.90
  4. Step 4: Simplify right side
    753,114.30x = 494,264,946,371.90
  5. Step 5: Solve for x
    x = 494,264,946,371.90/753,114.30
  6. Step 6: Final answer
    x = 656,294.73

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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.