Home / 842,238.84-1,162,496.16-479,876.52

Finding the Fourth Proportional to 842,238.84, 1,162,496.16 and 479,876.52

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Solution

The fourth proportional to 842,238.84, 1,162,496.16 and 479,876.52 is: 662,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,238.84 : 1,162,496.16 = 479,876.52 : x
  2. Step 2: Convert to fraction form
    842,238.84/1,162,496.16 = 479,876.52/x
  3. Step 3: Cross multiply
    842,238.84x = 1,162,496.16 × 479,876.52
  4. Step 4: Simplify right side
    842,238.84x = 557,854,611,774.16
  5. Step 5: Solve for x
    x = 557,854,611,774.16/842,238.84
  6. Step 6: Final answer
    x = 662,347.29

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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.