Home / 781,016.66-1,077,902.82-436,871.70

Finding the Fourth Proportional to 781,016.66, 1,077,902.82 and 436,871.70

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Solution

The fourth proportional to 781,016.66, 1,077,902.82 and 436,871.70 is: 602,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,016.66 : 1,077,902.82 = 436,871.70 : x
  2. Step 2: Convert to fraction form
    781,016.66/1,077,902.82 = 436,871.70/x
  3. Step 3: Cross multiply
    781,016.66x = 1,077,902.82 × 436,871.70
  4. Step 4: Simplify right side
    781,016.66x = 470,905,239,211.09
  5. Step 5: Solve for x
    x = 470,905,239,211.09/781,016.66
  6. Step 6: Final answer
    x = 602,938.79

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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.