Home / 842,376.11-1,162,344.63-479,807.04

Finding the Fourth Proportional to 842,376.11, 1,162,344.63 and 479,807.04

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Solution

The fourth proportional to 842,376.11, 1,162,344.63 and 479,807.04 is: 662,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,376.11 : 1,162,344.63 = 479,807.04 : x
  2. Step 2: Convert to fraction form
    842,376.11/1,162,344.63 = 479,807.04/x
  3. Step 3: Cross multiply
    842,376.11x = 1,162,344.63 × 479,807.04
  4. Step 4: Simplify right side
    842,376.11x = 557,701,142,538.26
  5. Step 5: Solve for x
    x = 557,701,142,538.26/842,376.11
  6. Step 6: Final answer
    x = 662,057.17

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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.