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Finding the Fourth Proportional to 739,893.60, 1,109,840.40 and 710,863.20

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Solution

The fourth proportional to 739,893.60, 1,109,840.40 and 710,863.20 is: 1,066,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,893.60 : 1,109,840.40 = 710,863.20 : x
  2. Step 2: Convert to fraction form
    739,893.60/1,109,840.40 = 710,863.20/x
  3. Step 3: Cross multiply
    739,893.60x = 1,109,840.40 × 710,863.20
  4. Step 4: Simplify right side
    739,893.60x = 788,944,698,233.28
  5. Step 5: Solve for x
    x = 788,944,698,233.28/739,893.60
  6. Step 6: Final answer
    x = 1,066,294.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.