Home / 820,317.62-1,132,036.08-457,737.50

Finding the Fourth Proportional to 820,317.62, 1,132,036.08 and 457,737.50

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Solution

The fourth proportional to 820,317.62, 1,132,036.08 and 457,737.50 is: 631,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,317.62 : 1,132,036.08 = 457,737.50 : x
  2. Step 2: Convert to fraction form
    820,317.62/1,132,036.08 = 457,737.50/x
  3. Step 3: Cross multiply
    820,317.62x = 1,132,036.08 × 457,737.50
  4. Step 4: Simplify right side
    820,317.62x = 518,175,365,169.00
  5. Step 5: Solve for x
    x = 518,175,365,169.00/820,317.62
  6. Step 6: Final answer
    x = 631,676.50

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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.