Home / 769,531.86-1,062,059.45-442,838.16

Finding the Fourth Proportional to 769,531.86, 1,062,059.45 and 442,838.16

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Solution

The fourth proportional to 769,531.86, 1,062,059.45 and 442,838.16 is: 611,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,531.86 : 1,062,059.45 = 442,838.16 : x
  2. Step 2: Convert to fraction form
    769,531.86/1,062,059.45 = 442,838.16/x
  3. Step 3: Cross multiply
    769,531.86x = 1,062,059.45 × 442,838.16
  4. Step 4: Simplify right side
    769,531.86x = 470,320,452,648.61
  5. Step 5: Solve for x
    x = 470,320,452,648.61/769,531.86
  6. Step 6: Final answer
    x = 611,177.36

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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.