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Finding the Fourth Proportional to 814,289.49, 1,124,301.87 and 542,997

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Solution

The fourth proportional to 814,289.49, 1,124,301.87 and 542,997 is: 749,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,289.49 : 1,124,301.87 = 542,997 : x
  2. Step 2: Convert to fraction form
    814,289.49/1,124,301.87 = 542,997/x
  3. Step 3: Cross multiply
    814,289.49x = 1,124,301.87 × 542,997
  4. Step 4: Simplify right side
    814,289.49x = 610,492,542,504.39
  5. Step 5: Solve for x
    x = 610,492,542,504.39/814,289.49
  6. Step 6: Final answer
    x = 749,724.21

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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.