Home / 749,060-1,123,738.24-243,588.40

Finding the Fourth Proportional to 749,060, 1,123,738.24 and 243,588.40

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Solution

The fourth proportional to 749,060, 1,123,738.24 and 243,588.40 is: 365,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,060 : 1,123,738.24 = 243,588.40 : x
  2. Step 2: Convert to fraction form
    749,060/1,123,738.24 = 243,588.40/x
  3. Step 3: Cross multiply
    749,060x = 1,123,738.24 × 243,588.40
  4. Step 4: Simplify right side
    749,060x = 273,729,599,900.42
  5. Step 5: Solve for x
    x = 273,729,599,900.42/749,060
  6. Step 6: Final answer
    x = 365,430.81

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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.