Home / 658,378.02-908,580.33-371,910.18

Finding the Fourth Proportional to 658,378.02, 908,580.33 and 371,910.18

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Solution

The fourth proportional to 658,378.02, 908,580.33 and 371,910.18 is: 513,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,378.02 : 908,580.33 = 371,910.18 : x
  2. Step 2: Convert to fraction form
    658,378.02/908,580.33 = 371,910.18/x
  3. Step 3: Cross multiply
    658,378.02x = 908,580.33 × 371,910.18
  4. Step 4: Simplify right side
    658,378.02x = 337,910,274,074.76
  5. Step 5: Solve for x
    x = 337,910,274,074.76/658,378.02
  6. Step 6: Final answer
    x = 513,246.59

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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.