Home / 738,502.30-1,107,085.20-513,970.30

Finding the Fourth Proportional to 738,502.30, 1,107,085.20 and 513,970.30

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Solution

The fourth proportional to 738,502.30, 1,107,085.20 and 513,970.30 is: 770,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,502.30 : 1,107,085.20 = 513,970.30 : x
  2. Step 2: Convert to fraction form
    738,502.30/1,107,085.20 = 513,970.30/x
  3. Step 3: Cross multiply
    738,502.30x = 1,107,085.20 × 513,970.30
  4. Step 4: Simplify right side
    738,502.30x = 569,008,912,369.56
  5. Step 5: Solve for x
    x = 569,008,912,369.56/738,502.30
  6. Step 6: Final answer
    x = 770,490.37

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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.