Home / 842,564.92-1,162,747.32-479,983.40

Finding the Fourth Proportional to 842,564.92, 1,162,747.32 and 479,983.40

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Solution

The fourth proportional to 842,564.92, 1,162,747.32 and 479,983.40 is: 662,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,564.92 : 1,162,747.32 = 479,983.40 : x
  2. Step 2: Convert to fraction form
    842,564.92/1,162,747.32 = 479,983.40/x
  3. Step 3: Cross multiply
    842,564.92x = 1,162,747.32 × 479,983.40
  4. Step 4: Simplify right side
    842,564.92x = 558,099,411,994.49
  5. Step 5: Solve for x
    x = 558,099,411,994.49/842,564.92
  6. Step 6: Final answer
    x = 662,381.50

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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.