Home / 677,997.57-1,011,006.17-671,912.25

Finding the Fourth Proportional to 677,997.57, 1,011,006.17 and 671,912.25

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Solution

The fourth proportional to 677,997.57, 1,011,006.17 and 671,912.25 is: 1,001,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,997.57 : 1,011,006.17 = 671,912.25 : x
  2. Step 2: Convert to fraction form
    677,997.57/1,011,006.17 = 671,912.25/x
  3. Step 3: Cross multiply
    677,997.57x = 1,011,006.17 × 671,912.25
  4. Step 4: Simplify right side
    677,997.57x = 679,307,427,089.02
  5. Step 5: Solve for x
    x = 679,307,427,089.02/677,997.57
  6. Step 6: Final answer
    x = 1,001,931.95

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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.