Home / 738,529.30-1,107,125.70-513,997.30

Finding the Fourth Proportional to 738,529.30, 1,107,125.70 and 513,997.30

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Solution

The fourth proportional to 738,529.30, 1,107,125.70 and 513,997.30 is: 770,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,529.30 : 1,107,125.70 = 513,997.30 : x
  2. Step 2: Convert to fraction form
    738,529.30/1,107,125.70 = 513,997.30/x
  3. Step 3: Cross multiply
    738,529.30x = 1,107,125.70 × 513,997.30
  4. Step 4: Simplify right side
    738,529.30x = 569,059,620,560.61
  5. Step 5: Solve for x
    x = 569,059,620,560.61/738,529.30
  6. Step 6: Final answer
    x = 770,530.87

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1.5x scale

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.