Home / 820,943.52-1,132,891.28-458,373.56

Finding the Fourth Proportional to 820,943.52, 1,132,891.28 and 458,373.56

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Solution

The fourth proportional to 820,943.52, 1,132,891.28 and 458,373.56 is: 632,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,943.52 : 1,132,891.28 = 458,373.56 : x
  2. Step 2: Convert to fraction form
    820,943.52/1,132,891.28 = 458,373.56/x
  3. Step 3: Cross multiply
    820,943.52x = 1,132,891.28 × 458,373.56
  4. Step 4: Simplify right side
    820,943.52x = 519,287,409,106.56
  5. Step 5: Solve for x
    x = 519,287,409,106.56/820,943.52
  6. Step 6: Final answer
    x = 632,549.50

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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.