Home / 820,374.61-1,132,117.16-452,851.95

Finding the Fourth Proportional to 820,374.61, 1,132,117.16 and 452,851.95

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Solution

The fourth proportional to 820,374.61, 1,132,117.16 and 452,851.95 is: 624,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,374.61 : 1,132,117.16 = 452,851.95 : x
  2. Step 2: Convert to fraction form
    820,374.61/1,132,117.16 = 452,851.95/x
  3. Step 3: Cross multiply
    820,374.61x = 1,132,117.16 × 452,851.95
  4. Step 4: Simplify right side
    820,374.61x = 512,681,463,534.46
  5. Step 5: Solve for x
    x = 512,681,463,534.46/820,374.61
  6. Step 6: Final answer
    x = 624,935.80

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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.