Home / 749,143.84-1,123,882.26-349,566.66

Finding the Fourth Proportional to 749,143.84, 1,123,882.26 and 349,566.66

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Solution

The fourth proportional to 749,143.84, 1,123,882.26 and 349,566.66 is: 524,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,143.84 : 1,123,882.26 = 349,566.66 : x
  2. Step 2: Convert to fraction form
    749,143.84/1,123,882.26 = 349,566.66/x
  3. Step 3: Cross multiply
    749,143.84x = 1,123,882.26 × 349,566.66
  4. Step 4: Simplify right side
    749,143.84x = 392,871,767,861.45
  5. Step 5: Solve for x
    x = 392,871,767,861.45/749,143.84
  6. Step 6: Final answer
    x = 524,427.68

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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.