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Finding the Fourth Proportional to 659,952.36, 910,734.90 and 358,146.36

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Solution

The fourth proportional to 659,952.36, 910,734.90 and 358,146.36 is: 494,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,952.36 : 910,734.90 = 358,146.36 : x
  2. Step 2: Convert to fraction form
    659,952.36/910,734.90 = 358,146.36/x
  3. Step 3: Cross multiply
    659,952.36x = 910,734.90 × 358,146.36
  4. Step 4: Simplify right side
    659,952.36x = 326,176,389,359.96
  5. Step 5: Solve for x
    x = 326,176,389,359.96/659,952.36
  6. Step 6: Final answer
    x = 494,242.33

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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.