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Finding the Fourth Proportional to 659,846.70, 910,599.06 and 358,040.70

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Solution

The fourth proportional to 659,846.70, 910,599.06 and 358,040.70 is: 494,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,846.70 : 910,599.06 = 358,040.70 : x
  2. Step 2: Convert to fraction form
    659,846.70/910,599.06 = 358,040.70/x
  3. Step 3: Cross multiply
    659,846.70x = 910,599.06 × 358,040.70
  4. Step 4: Simplify right side
    659,846.70x = 326,031,524,861.74
  5. Step 5: Solve for x
    x = 326,031,524,861.74/659,846.70
  6. Step 6: Final answer
    x = 494,101.93

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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.