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Finding the Fourth Proportional to 662,305.34, 913,956 and 375,808.34

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Solution

The fourth proportional to 662,305.34, 913,956 and 375,808.34 is: 518,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,305.34 : 913,956 = 375,808.34 : x
  2. Step 2: Convert to fraction form
    662,305.34/913,956 = 375,808.34/x
  3. Step 3: Cross multiply
    662,305.34x = 913,956 × 375,808.34
  4. Step 4: Simplify right side
    662,305.34x = 343,472,287,193.04
  5. Step 5: Solve for x
    x = 343,472,287,193.04/662,305.34
  6. Step 6: Final answer
    x = 518,601.11

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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.