Home / 861,199.40-1,291,280.70-441,295.40

Finding the Fourth Proportional to 861,199.40, 1,291,280.70 and 441,295.40

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Solution

The fourth proportional to 861,199.40, 1,291,280.70 and 441,295.40 is: 661,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,199.40 : 1,291,280.70 = 441,295.40 : x
  2. Step 2: Convert to fraction form
    861,199.40/1,291,280.70 = 441,295.40/x
  3. Step 3: Cross multiply
    861,199.40x = 1,291,280.70 × 441,295.40
  4. Step 4: Simplify right side
    861,199.40x = 569,836,233,018.78
  5. Step 5: Solve for x
    x = 569,836,233,018.78/861,199.40
  6. Step 6: Final answer
    x = 661,677.46

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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.