Home / 456,834.08-630,432.48-247,281.92

Finding the Fourth Proportional to 456,834.08, 630,432.48 and 247,281.92

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Solution

The fourth proportional to 456,834.08, 630,432.48 and 247,281.92 is: 341,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,834.08 : 630,432.48 = 247,281.92 : x
  2. Step 2: Convert to fraction form
    456,834.08/630,432.48 = 247,281.92/x
  3. Step 3: Cross multiply
    456,834.08x = 630,432.48 × 247,281.92
  4. Step 4: Simplify right side
    456,834.08x = 155,894,554,084.76
  5. Step 5: Solve for x
    x = 155,894,554,084.76/456,834.08
  6. Step 6: Final answer
    x = 341,249.83

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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.