Home / 724,774.18-1,087,034.90-192,349.04

Finding the Fourth Proportional to 724,774.18, 1,087,034.90 and 192,349.04

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Solution

The fourth proportional to 724,774.18, 1,087,034.90 and 192,349.04 is: 288,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,774.18 : 1,087,034.90 = 192,349.04 : x
  2. Step 2: Convert to fraction form
    724,774.18/1,087,034.90 = 192,349.04/x
  3. Step 3: Cross multiply
    724,774.18x = 1,087,034.90 × 192,349.04
  4. Step 4: Simplify right side
    724,774.18x = 209,090,119,461.50
  5. Step 5: Solve for x
    x = 209,090,119,461.50/724,774.18
  6. Step 6: Final answer
    x = 288,490.02

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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.