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Finding the Fourth Proportional to 659,932.49, 910,707.41 and 358,126.49

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Solution

The fourth proportional to 659,932.49, 910,707.41 and 358,126.49 is: 494,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,932.49 : 910,707.41 = 358,126.49 : x
  2. Step 2: Convert to fraction form
    659,932.49/910,707.41 = 358,126.49/x
  3. Step 3: Cross multiply
    659,932.49x = 910,707.41 × 358,126.49
  4. Step 4: Simplify right side
    659,932.49x = 326,148,444,502.07
  5. Step 5: Solve for x
    x = 326,148,444,502.07/659,932.49
  6. Step 6: Final answer
    x = 494,214.87

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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.