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Finding the Fourth Proportional to 662,134.08, 913,765.76 and 375,666.24

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Solution

The fourth proportional to 662,134.08, 913,765.76 and 375,666.24 is: 518,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,134.08 : 913,765.76 = 375,666.24 : x
  2. Step 2: Convert to fraction form
    662,134.08/913,765.76 = 375,666.24/x
  3. Step 3: Cross multiply
    662,134.08x = 913,765.76 × 375,666.24
  4. Step 4: Simplify right side
    662,134.08x = 343,270,947,299.94
  5. Step 5: Solve for x
    x = 343,270,947,299.94/662,134.08
  6. Step 6: Final answer
    x = 518,431.17

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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.