Home / 748,279.74-1,032,587.52-408,682.38

Finding the Fourth Proportional to 748,279.74, 1,032,587.52 and 408,682.38

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Solution

The fourth proportional to 748,279.74, 1,032,587.52 and 408,682.38 is: 563,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,279.74 : 1,032,587.52 = 408,682.38 : x
  2. Step 2: Convert to fraction form
    748,279.74/1,032,587.52 = 408,682.38/x
  3. Step 3: Cross multiply
    748,279.74x = 1,032,587.52 × 408,682.38
  4. Step 4: Simplify right side
    748,279.74x = 422,000,325,231.90
  5. Step 5: Solve for x
    x = 422,000,325,231.90/748,279.74
  6. Step 6: Final answer
    x = 563,960.65

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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.