Home / 724,635.40-1,087,141.02-275,364.04

Finding the Fourth Proportional to 724,635.40, 1,087,141.02 and 275,364.04

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Solution

The fourth proportional to 724,635.40, 1,087,141.02 and 275,364.04 is: 413,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,635.40 : 1,087,141.02 = 275,364.04 : x
  2. Step 2: Convert to fraction form
    724,635.40/1,087,141.02 = 275,364.04/x
  3. Step 3: Cross multiply
    724,635.40x = 1,087,141.02 × 275,364.04
  4. Step 4: Simplify right side
    724,635.40x = 299,359,543,316.92
  5. Step 5: Solve for x
    x = 299,359,543,316.92/724,635.40
  6. Step 6: Final answer
    x = 413,117.47

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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.