Home / 765,725.38-1,056,701.02-426,186.34

Finding the Fourth Proportional to 765,725.38, 1,056,701.02 and 426,186.34

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Solution

The fourth proportional to 765,725.38, 1,056,701.02 and 426,186.34 is: 588,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,725.38 : 1,056,701.02 = 426,186.34 : x
  2. Step 2: Convert to fraction form
    765,725.38/1,056,701.02 = 426,186.34/x
  3. Step 3: Cross multiply
    765,725.38x = 1,056,701.02 × 426,186.34
  4. Step 4: Simplify right side
    765,725.38x = 450,351,540,188.07
  5. Step 5: Solve for x
    x = 450,351,540,188.07/765,725.38
  6. Step 6: Final answer
    x = 588,137.15

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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.