Home / 820,337.97-1,132,130.85-452,888.14

Finding the Fourth Proportional to 820,337.97, 1,132,130.85 and 452,888.14

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Solution

The fourth proportional to 820,337.97, 1,132,130.85 and 452,888.14 is: 625,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,337.97 : 1,132,130.85 = 452,888.14 : x
  2. Step 2: Convert to fraction form
    820,337.97/1,132,130.85 = 452,888.14/x
  3. Step 3: Cross multiply
    820,337.97x = 1,132,130.85 × 452,888.14
  4. Step 4: Simplify right side
    820,337.97x = 512,728,630,364.46
  5. Step 5: Solve for x
    x = 512,728,630,364.46/820,337.97
  6. Step 6: Final answer
    x = 625,021.21

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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.