Home / 951,155.68-1,312,761.32-722,470

Finding the Fourth Proportional to 951,155.68, 1,312,761.32 and 722,470

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Solution

The fourth proportional to 951,155.68, 1,312,761.32 and 722,470 is: 997,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,155.68 : 1,312,761.32 = 722,470 : x
  2. Step 2: Convert to fraction form
    951,155.68/1,312,761.32 = 722,470/x
  3. Step 3: Cross multiply
    951,155.68x = 1,312,761.32 × 722,470
  4. Step 4: Simplify right side
    951,155.68x = 948,430,670,860.40
  5. Step 5: Solve for x
    x = 948,430,670,860.40/951,155.68
  6. Step 6: Final answer
    x = 997,135.05

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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.