Home / 880,241.40-1,214,736.78-498,341.88

Finding the Fourth Proportional to 880,241.40, 1,214,736.78 and 498,341.88

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Solution

The fourth proportional to 880,241.40, 1,214,736.78 and 498,341.88 is: 687,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,241.40 : 1,214,736.78 = 498,341.88 : x
  2. Step 2: Convert to fraction form
    880,241.40/1,214,736.78 = 498,341.88/x
  3. Step 3: Cross multiply
    880,241.40x = 1,214,736.78 × 498,341.88
  4. Step 4: Simplify right side
    880,241.40x = 605,354,210,650.35
  5. Step 5: Solve for x
    x = 605,354,210,650.35/880,241.40
  6. Step 6: Final answer
    x = 687,713.86

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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.