Home / 880,770.89-1,215,423.15-498,800.41

Finding the Fourth Proportional to 880,770.89, 1,215,423.15 and 498,800.41

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Solution

The fourth proportional to 880,770.89, 1,215,423.15 and 498,800.41 is: 688,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,770.89 : 1,215,423.15 = 498,800.41 : x
  2. Step 2: Convert to fraction form
    880,770.89/1,215,423.15 = 498,800.41/x
  3. Step 3: Cross multiply
    880,770.89x = 1,215,423.15 × 498,800.41
  4. Step 4: Simplify right side
    880,770.89x = 606,253,565,543.49
  5. Step 5: Solve for x
    x = 606,253,565,543.49/880,770.89
  6. Step 6: Final answer
    x = 688,321.53

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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.