Home / 518,285.94-777,468.27-176,623.18

Finding the Fourth Proportional to 518,285.94, 777,468.27 and 176,623.18

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Solution

The fourth proportional to 518,285.94, 777,468.27 and 176,623.18 is: 264,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,285.94 : 777,468.27 = 176,623.18 : x
  2. Step 2: Convert to fraction form
    518,285.94/777,468.27 = 176,623.18/x
  3. Step 3: Cross multiply
    518,285.94x = 777,468.27 × 176,623.18
  4. Step 4: Simplify right side
    518,285.94x = 137,318,921,288.42
  5. Step 5: Solve for x
    x = 137,318,921,288.42/518,285.94
  6. Step 6: Final answer
    x = 264,948.19

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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.