Home / 613,822.53-847,117.69-372,115.29

Finding the Fourth Proportional to 613,822.53, 847,117.69 and 372,115.29

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Solution

The fourth proportional to 613,822.53, 847,117.69 and 372,115.29 is: 513,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,822.53 : 847,117.69 = 372,115.29 : x
  2. Step 2: Convert to fraction form
    613,822.53/847,117.69 = 372,115.29/x
  3. Step 3: Cross multiply
    613,822.53x = 847,117.69 × 372,115.29
  4. Step 4: Simplify right side
    613,822.53x = 315,225,444,878.48
  5. Step 5: Solve for x
    x = 315,225,444,878.48/613,822.53
  6. Step 6: Final answer
    x = 513,544.92

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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.