Home / 854,748.34-1,179,490.48-472,781.50

Finding the Fourth Proportional to 854,748.34, 1,179,490.48 and 472,781.50

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Solution

The fourth proportional to 854,748.34, 1,179,490.48 and 472,781.50 is: 652,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,748.34 : 1,179,490.48 = 472,781.50 : x
  2. Step 2: Convert to fraction form
    854,748.34/1,179,490.48 = 472,781.50/x
  3. Step 3: Cross multiply
    854,748.34x = 1,179,490.48 × 472,781.50
  4. Step 4: Simplify right side
    854,748.34x = 557,641,278,370.12
  5. Step 5: Solve for x
    x = 557,641,278,370.12/854,748.34
  6. Step 6: Final answer
    x = 652,404.05

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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.