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Finding the Fourth Proportional to 717,250.08, 989,508.48 and 426,804

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Solution

The fourth proportional to 717,250.08, 989,508.48 and 426,804 is: 588,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,250.08 : 989,508.48 = 426,804 : x
  2. Step 2: Convert to fraction form
    717,250.08/989,508.48 = 426,804/x
  3. Step 3: Cross multiply
    717,250.08x = 989,508.48 × 426,804
  4. Step 4: Simplify right side
    717,250.08x = 422,326,177,297.92
  5. Step 5: Solve for x
    x = 422,326,177,297.92/717,250.08
  6. Step 6: Final answer
    x = 588,813.01

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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.