Home / 807,916.71-1,202,338.30-781,008.03

Finding the Fourth Proportional to 807,916.71, 1,202,338.30 and 781,008.03

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Solution

The fourth proportional to 807,916.71, 1,202,338.30 and 781,008.03 is: 1,162,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,916.71 : 1,202,338.30 = 781,008.03 : x
  2. Step 2: Convert to fraction form
    807,916.71/1,202,338.30 = 781,008.03/x
  3. Step 3: Cross multiply
    807,916.71x = 1,202,338.30 × 781,008.03
  4. Step 4: Simplify right side
    807,916.71x = 939,035,865,124.03
  5. Step 5: Solve for x
    x = 939,035,865,124.03/807,916.71
  6. Step 6: Final answer
    x = 1,162,292.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.