Home / 820,672.86-1,132,524.23-476,593.40

Finding the Fourth Proportional to 820,672.86, 1,132,524.23 and 476,593.40

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Solution

The fourth proportional to 820,672.86, 1,132,524.23 and 476,593.40 is: 657,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,672.86 : 1,132,524.23 = 476,593.40 : x
  2. Step 2: Convert to fraction form
    820,672.86/1,132,524.23 = 476,593.40/x
  3. Step 3: Cross multiply
    820,672.86x = 1,132,524.23 × 476,593.40
  4. Step 4: Simplify right side
    820,672.86x = 539,753,565,312.49
  5. Step 5: Solve for x
    x = 539,753,565,312.49/820,672.86
  6. Step 6: Final answer
    x = 657,696.38

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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.