Home / 743,359.20-1,025,836.92-403,827.72

Finding the Fourth Proportional to 743,359.20, 1,025,836.92 and 403,827.72

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Solution

The fourth proportional to 743,359.20, 1,025,836.92 and 403,827.72 is: 557,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,359.20 : 1,025,836.92 = 403,827.72 : x
  2. Step 2: Convert to fraction form
    743,359.20/1,025,836.92 = 403,827.72/x
  3. Step 3: Cross multiply
    743,359.20x = 1,025,836.92 × 403,827.72
  4. Step 4: Simplify right side
    743,359.20x = 414,261,384,495.42
  5. Step 5: Solve for x
    x = 414,261,384,495.42/743,359.20
  6. Step 6: Final answer
    x = 557,282.92

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1.5x scale

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.