Home / 820,503.73-1,132,292.68-457,923.61

Finding the Fourth Proportional to 820,503.73, 1,132,292.68 and 457,923.61

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Solution

The fourth proportional to 820,503.73, 1,132,292.68 and 457,923.61 is: 631,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,503.73 : 1,132,292.68 = 457,923.61 : x
  2. Step 2: Convert to fraction form
    820,503.73/1,132,292.68 = 457,923.61/x
  3. Step 3: Cross multiply
    820,503.73x = 1,132,292.68 × 457,923.61
  4. Step 4: Simplify right side
    820,503.73x = 518,503,551,602.18
  5. Step 5: Solve for x
    x = 518,503,551,602.18/820,503.73
  6. Step 6: Final answer
    x = 631,933.20

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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.