Home / 820,908.86-1,132,806.62-458,355.66

Finding the Fourth Proportional to 820,908.86, 1,132,806.62 and 458,355.66

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Solution

The fourth proportional to 820,908.86, 1,132,806.62 and 458,355.66 is: 632,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,908.86 : 1,132,806.62 = 458,355.66 : x
  2. Step 2: Convert to fraction form
    820,908.86/1,132,806.62 = 458,355.66/x
  3. Step 3: Cross multiply
    820,908.86x = 1,132,806.62 × 458,355.66
  4. Step 4: Simplify right side
    820,908.86x = 519,228,323,670.69
  5. Step 5: Solve for x
    x = 519,228,323,670.69/820,908.86
  6. Step 6: Final answer
    x = 632,504.23

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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.