Home / 648,422.46-895,013.03-376,612.54

Finding the Fourth Proportional to 648,422.46, 895,013.03 and 376,612.54

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Solution

The fourth proportional to 648,422.46, 895,013.03 and 376,612.54 is: 519,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,422.46 : 895,013.03 = 376,612.54 : x
  2. Step 2: Convert to fraction form
    648,422.46/895,013.03 = 376,612.54/x
  3. Step 3: Cross multiply
    648,422.46x = 895,013.03 × 376,612.54
  4. Step 4: Simplify right side
    648,422.46x = 337,073,129,265.40
  5. Step 5: Solve for x
    x = 337,073,129,265.40/648,422.46
  6. Step 6: Final answer
    x = 519,835.68

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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.