Home / 935,285.86-1,288,930.86-676,725.06

Finding the Fourth Proportional to 935,285.86, 1,288,930.86 and 676,725.06

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Solution

The fourth proportional to 935,285.86, 1,288,930.86 and 676,725.06 is: 932,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,285.86 : 1,288,930.86 = 676,725.06 : x
  2. Step 2: Convert to fraction form
    935,285.86/1,288,930.86 = 676,725.06/x
  3. Step 3: Cross multiply
    935,285.86x = 1,288,930.86 × 676,725.06
  4. Step 4: Simplify right side
    935,285.86x = 872,251,813,569.35
  5. Step 5: Solve for x
    x = 872,251,813,569.35/935,285.86
  6. Step 6: Final answer
    x = 932,604.51

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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.