Home / 743,972.42-1,026,616.28-412,836.66

Finding the Fourth Proportional to 743,972.42, 1,026,616.28 and 412,836.66

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Solution

The fourth proportional to 743,972.42, 1,026,616.28 and 412,836.66 is: 569,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,972.42 : 1,026,616.28 = 412,836.66 : x
  2. Step 2: Convert to fraction form
    743,972.42/1,026,616.28 = 412,836.66/x
  3. Step 3: Cross multiply
    743,972.42x = 1,026,616.28 × 412,836.66
  4. Step 4: Simplify right side
    743,972.42x = 423,824,834,072.64
  5. Step 5: Solve for x
    x = 423,824,834,072.64/743,972.42
  6. Step 6: Final answer
    x = 569,678.15

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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.