Home / 820,924.97-1,132,864.53-458,353.86

Finding the Fourth Proportional to 820,924.97, 1,132,864.53 and 458,353.86

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Solution

The fourth proportional to 820,924.97, 1,132,864.53 and 458,353.86 is: 632,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,924.97 : 1,132,864.53 = 458,353.86 : x
  2. Step 2: Convert to fraction form
    820,924.97/1,132,864.53 = 458,353.86/x
  3. Step 3: Cross multiply
    820,924.97x = 1,132,864.53 × 458,353.86
  4. Step 4: Simplify right side
    820,924.97x = 519,252,827,890.82
  5. Step 5: Solve for x
    x = 519,252,827,890.82/820,924.97
  6. Step 6: Final answer
    x = 632,521.66

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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.