Home / 902,348.76-1,245,241.28-539,787.90

Finding the Fourth Proportional to 902,348.76, 1,245,241.28 and 539,787.90

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Solution

The fourth proportional to 902,348.76, 1,245,241.28 and 539,787.90 is: 744,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,348.76 : 1,245,241.28 = 539,787.90 : x
  2. Step 2: Convert to fraction form
    902,348.76/1,245,241.28 = 539,787.90/x
  3. Step 3: Cross multiply
    902,348.76x = 1,245,241.28 × 539,787.90
  4. Step 4: Simplify right side
    902,348.76x = 672,166,175,524.51
  5. Step 5: Solve for x
    x = 672,166,175,524.51/902,348.76
  6. Step 6: Final answer
    x = 744,907.30

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Double scale
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1.5x scale

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.