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Finding the Fourth Proportional to 458,759.30, 688,559.23 and 245,767.67

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Solution

The fourth proportional to 458,759.30, 688,559.23 and 245,767.67 is: 368,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,759.30 : 688,559.23 = 245,767.67 : x
  2. Step 2: Convert to fraction form
    458,759.30/688,559.23 = 245,767.67/x
  3. Step 3: Cross multiply
    458,759.30x = 688,559.23 × 245,767.67
  4. Step 4: Simplify right side
    458,759.30x = 169,225,597,060.61
  5. Step 5: Solve for x
    x = 169,225,597,060.61/458,759.30
  6. Step 6: Final answer
    x = 368,876.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.