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Finding the Fourth Proportional to 658,937.07, 988,050.42 and 355,493.93

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Solution

The fourth proportional to 658,937.07, 988,050.42 and 355,493.93 is: 533,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,937.07 : 988,050.42 = 355,493.93 : x
  2. Step 2: Convert to fraction form
    658,937.07/988,050.42 = 355,493.93/x
  3. Step 3: Cross multiply
    658,937.07x = 988,050.42 × 355,493.93
  4. Step 4: Simplify right side
    658,937.07x = 351,245,921,903.70
  5. Step 5: Solve for x
    x = 351,245,921,903.70/658,937.07
  6. Step 6: Final answer
    x = 533,049.27

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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.