Home / 724,853.68-1,086,849.84-275,607.40

Finding the Fourth Proportional to 724,853.68, 1,086,849.84 and 275,607.40

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Solution

The fourth proportional to 724,853.68, 1,086,849.84 and 275,607.40 is: 413,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,853.68 : 1,086,849.84 = 275,607.40 : x
  2. Step 2: Convert to fraction form
    724,853.68/1,086,849.84 = 275,607.40/x
  3. Step 3: Cross multiply
    724,853.68x = 1,086,849.84 × 275,607.40
  4. Step 4: Simplify right side
    724,853.68x = 299,543,858,592.82
  5. Step 5: Solve for x
    x = 299,543,858,592.82/724,853.68
  6. Step 6: Final answer
    x = 413,247.34

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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.