Home / 718,399.67-1,078,819.73-480,045.04

Finding the Fourth Proportional to 718,399.67, 1,078,819.73 and 480,045.04

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Solution

The fourth proportional to 718,399.67, 1,078,819.73 and 480,045.04 is: 720,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,399.67 : 1,078,819.73 = 480,045.04 : x
  2. Step 2: Convert to fraction form
    718,399.67/1,078,819.73 = 480,045.04/x
  3. Step 3: Cross multiply
    718,399.67x = 1,078,819.73 × 480,045.04
  4. Step 4: Simplify right side
    718,399.67x = 517,882,058,943.70
  5. Step 5: Solve for x
    x = 517,882,058,943.70/718,399.67
  6. Step 6: Final answer
    x = 720,882.93

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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.