Home / 649,932.12-975,376.98-308,376.72

Finding the Fourth Proportional to 649,932.12, 975,376.98 and 308,376.72

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Solution

The fourth proportional to 649,932.12, 975,376.98 and 308,376.72 is: 462,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,932.12 : 975,376.98 = 308,376.72 : x
  2. Step 2: Convert to fraction form
    649,932.12/975,376.98 = 308,376.72/x
  3. Step 3: Cross multiply
    649,932.12x = 975,376.98 × 308,376.72
  4. Step 4: Simplify right side
    649,932.12x = 300,783,553,855.91
  5. Step 5: Solve for x
    x = 300,783,553,855.91/649,932.12
  6. Step 6: Final answer
    x = 462,792.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.