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Finding the Fourth Proportional to 712,750.30, 983,595.36 and 426,270.38

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Solution

The fourth proportional to 712,750.30, 983,595.36 and 426,270.38 is: 588,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,750.30 : 983,595.36 = 426,270.38 : x
  2. Step 2: Convert to fraction form
    712,750.30/983,595.36 = 426,270.38/x
  3. Step 3: Cross multiply
    712,750.30x = 983,595.36 × 426,270.38
  4. Step 4: Simplify right side
    712,750.30x = 419,277,565,414.45
  5. Step 5: Solve for x
    x = 419,277,565,414.45/712,750.30
  6. Step 6: Final answer
    x = 588,253.09

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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.