Home / 880,007.45-1,214,309.89-492,769.02

Finding the Fourth Proportional to 880,007.45, 1,214,309.89 and 492,769.02

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Solution

The fourth proportional to 880,007.45, 1,214,309.89 and 492,769.02 is: 679,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,007.45 : 1,214,309.89 = 492,769.02 : x
  2. Step 2: Convert to fraction form
    880,007.45/1,214,309.89 = 492,769.02/x
  3. Step 3: Cross multiply
    880,007.45x = 1,214,309.89 × 492,769.02
  4. Step 4: Simplify right side
    880,007.45x = 598,374,293,239.69
  5. Step 5: Solve for x
    x = 598,374,293,239.69/880,007.45
  6. Step 6: Final answer
    x = 679,965.04

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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.