Home / 749,321.06-1,123,685.73-299,958.17

Finding the Fourth Proportional to 749,321.06, 1,123,685.73 and 299,958.17

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Solution

The fourth proportional to 749,321.06, 1,123,685.73 and 299,958.17 is: 449,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,321.06 : 1,123,685.73 = 299,958.17 : x
  2. Step 2: Convert to fraction form
    749,321.06/1,123,685.73 = 299,958.17/x
  3. Step 3: Cross multiply
    749,321.06x = 1,123,685.73 × 299,958.17
  4. Step 4: Simplify right side
    749,321.06x = 337,058,709,607.49
  5. Step 5: Solve for x
    x = 337,058,709,607.49/749,321.06
  6. Step 6: Final answer
    x = 449,818.82

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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.