Home / 616,923.90-851,349.15-344,988.68

Finding the Fourth Proportional to 616,923.90, 851,349.15 and 344,988.68

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Solution

The fourth proportional to 616,923.90, 851,349.15 and 344,988.68 is: 476,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,923.90 : 851,349.15 = 344,988.68 : x
  2. Step 2: Convert to fraction form
    616,923.90/851,349.15 = 344,988.68/x
  3. Step 3: Cross multiply
    616,923.90x = 851,349.15 × 344,988.68
  4. Step 4: Simplify right side
    616,923.90x = 293,705,815,220.88
  5. Step 5: Solve for x
    x = 293,705,815,220.88/616,923.90
  6. Step 6: Final answer
    x = 476,081.11

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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.