Home / 752,972.06-1,129,126.53-353,726.30

Finding the Fourth Proportional to 752,972.06, 1,129,126.53 and 353,726.30

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Solution

The fourth proportional to 752,972.06, 1,129,126.53 and 353,726.30 is: 530,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,972.06 : 1,129,126.53 = 353,726.30 : x
  2. Step 2: Convert to fraction form
    752,972.06/1,129,126.53 = 353,726.30/x
  3. Step 3: Cross multiply
    752,972.06x = 1,129,126.53 × 353,726.30
  4. Step 4: Simplify right side
    752,972.06x = 399,401,749,688.74
  5. Step 5: Solve for x
    x = 399,401,749,688.74/752,972.06
  6. Step 6: Final answer
    x = 530,433.69

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Double scale
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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.