Home / 637,739.92-880,047.85-396,017.29

Finding the Fourth Proportional to 637,739.92, 880,047.85 and 396,017.29

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Solution

The fourth proportional to 637,739.92, 880,047.85 and 396,017.29 is: 546,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,739.92 : 880,047.85 = 396,017.29 : x
  2. Step 2: Convert to fraction form
    637,739.92/880,047.85 = 396,017.29/x
  3. Step 3: Cross multiply
    637,739.92x = 880,047.85 × 396,017.29
  4. Step 4: Simplify right side
    637,739.92x = 348,514,164,627.33
  5. Step 5: Solve for x
    x = 348,514,164,627.33/637,739.92
  6. Step 6: Final answer
    x = 546,483.22

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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.