Home / 658,766.18-909,089.80-356,960.18

Finding the Fourth Proportional to 658,766.18, 909,089.80 and 356,960.18

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Solution

The fourth proportional to 658,766.18, 909,089.80 and 356,960.18 is: 492,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,766.18 : 909,089.80 = 356,960.18 : x
  2. Step 2: Convert to fraction form
    658,766.18/909,089.80 = 356,960.18/x
  3. Step 3: Cross multiply
    658,766.18x = 909,089.80 × 356,960.18
  4. Step 4: Simplify right side
    658,766.18x = 324,508,860,024.49
  5. Step 5: Solve for x
    x = 324,508,860,024.49/658,766.18
  6. Step 6: Final answer
    x = 492,600.97

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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.