Home / 648,731.76-895,246.26-358,363.30

Finding the Fourth Proportional to 648,731.76, 895,246.26 and 358,363.30

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Solution

The fourth proportional to 648,731.76, 895,246.26 and 358,363.30 is: 494,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,731.76 : 895,246.26 = 358,363.30 : x
  2. Step 2: Convert to fraction form
    648,731.76/895,246.26 = 358,363.30/x
  3. Step 3: Cross multiply
    648,731.76x = 895,246.26 × 358,363.30
  4. Step 4: Simplify right side
    648,731.76x = 320,823,404,046.26
  5. Step 5: Solve for x
    x = 320,823,404,046.26/648,731.76
  6. Step 6: Final answer
    x = 494,539.38

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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.