Home / 648,614.38-895,082.59-358,245.85

Finding the Fourth Proportional to 648,614.38, 895,082.59 and 358,245.85

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Solution

The fourth proportional to 648,614.38, 895,082.59 and 358,245.85 is: 494,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,614.38 : 895,082.59 = 358,245.85 : x
  2. Step 2: Convert to fraction form
    648,614.38/895,082.59 = 358,245.85/x
  3. Step 3: Cross multiply
    648,614.38x = 895,082.59 × 358,245.85
  4. Step 4: Simplify right side
    648,614.38x = 320,659,621,483.52
  5. Step 5: Solve for x
    x = 320,659,621,483.52/648,614.38
  6. Step 6: Final answer
    x = 494,376.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.