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Finding the Fourth Proportional to 662,239.40, 913,863.36 and 375,753.32

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Solution

The fourth proportional to 662,239.40, 913,863.36 and 375,753.32 is: 518,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,239.40 : 913,863.36 = 375,753.32 : x
  2. Step 2: Convert to fraction form
    662,239.40/913,863.36 = 375,753.32/x
  3. Step 3: Cross multiply
    662,239.40x = 913,863.36 × 375,753.32
  4. Step 4: Simplify right side
    662,239.40x = 343,387,191,546.36
  5. Step 5: Solve for x
    x = 343,387,191,546.36/662,239.40
  6. Step 6: Final answer
    x = 518,524.26

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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.