Home / 833,005.05-1,148,687.78-712,545.09

Finding the Fourth Proportional to 833,005.05, 1,148,687.78 and 712,545.09

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Solution

The fourth proportional to 833,005.05, 1,148,687.78 and 712,545.09 is: 982,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,005.05 : 1,148,687.78 = 712,545.09 : x
  2. Step 2: Convert to fraction form
    833,005.05/1,148,687.78 = 712,545.09/x
  3. Step 3: Cross multiply
    833,005.05x = 1,148,687.78 × 712,545.09
  4. Step 4: Simplify right side
    833,005.05x = 818,491,834,019.28
  5. Step 5: Solve for x
    x = 818,491,834,019.28/833,005.05
  6. Step 6: Final answer
    x = 982,577.28

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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.