Home / 495,928.72-684,711.20-381,002.68

Finding the Fourth Proportional to 495,928.72, 684,711.20 and 381,002.68

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Solution

The fourth proportional to 495,928.72, 684,711.20 and 381,002.68 is: 526,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,928.72 : 684,711.20 = 381,002.68 : x
  2. Step 2: Convert to fraction form
    495,928.72/684,711.20 = 381,002.68/x
  3. Step 3: Cross multiply
    495,928.72x = 684,711.20 × 381,002.68
  4. Step 4: Simplify right side
    495,928.72x = 260,876,802,226.02
  5. Step 5: Solve for x
    x = 260,876,802,226.02/495,928.72
  6. Step 6: Final answer
    x = 526,036.89

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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.