Home / 905,830.31-1,250,045.84-523,881.70

Finding the Fourth Proportional to 905,830.31, 1,250,045.84 and 523,881.70

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Solution

The fourth proportional to 905,830.31, 1,250,045.84 and 523,881.70 is: 722,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,830.31 : 1,250,045.84 = 523,881.70 : x
  2. Step 2: Convert to fraction form
    905,830.31/1,250,045.84 = 523,881.70/x
  3. Step 3: Cross multiply
    905,830.31x = 1,250,045.84 × 523,881.70
  4. Step 4: Simplify right side
    905,830.31x = 654,876,137,921.72
  5. Step 5: Solve for x
    x = 654,876,137,921.72/905,830.31
  6. Step 6: Final answer
    x = 722,956.75

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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.