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Finding the Fourth Proportional to 659,932.74, 910,707.76 and 358,126.74

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Solution

The fourth proportional to 659,932.74, 910,707.76 and 358,126.74 is: 494,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,932.74 : 910,707.76 = 358,126.74 : x
  2. Step 2: Convert to fraction form
    659,932.74/910,707.76 = 358,126.74/x
  3. Step 3: Cross multiply
    659,932.74x = 910,707.76 × 358,126.74
  4. Step 4: Simplify right side
    659,932.74x = 326,148,801,181.50
  5. Step 5: Solve for x
    x = 326,148,801,181.50/659,932.74
  6. Step 6: Final answer
    x = 494,215.22

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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.