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Finding the Fourth Proportional to 659,404.11, 910,016.04 and 369,013.22

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Solution

The fourth proportional to 659,404.11, 910,016.04 and 369,013.22 is: 509,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,404.11 : 910,016.04 = 369,013.22 : x
  2. Step 2: Convert to fraction form
    659,404.11/910,016.04 = 369,013.22/x
  3. Step 3: Cross multiply
    659,404.11x = 910,016.04 × 369,013.22
  4. Step 4: Simplify right side
    659,404.11x = 335,807,944,621.97
  5. Step 5: Solve for x
    x = 335,807,944,621.97/659,404.11
  6. Step 6: Final answer
    x = 509,259.71

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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.