Home / 756,635.72-1,132,951.26-456,715.40

Finding the Fourth Proportional to 756,635.72, 1,132,951.26 and 456,715.40

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Solution

The fourth proportional to 756,635.72, 1,132,951.26 and 456,715.40 is: 683,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,635.72 : 1,132,951.26 = 456,715.40 : x
  2. Step 2: Convert to fraction form
    756,635.72/1,132,951.26 = 456,715.40/x
  3. Step 3: Cross multiply
    756,635.72x = 1,132,951.26 × 456,715.40
  4. Step 4: Simplify right side
    756,635.72x = 517,436,287,891.40
  5. Step 5: Solve for x
    x = 517,436,287,891.40/756,635.72
  6. Step 6: Final answer
    x = 683,864.47

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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.