Home / 460,702.56-691,064.80-123,743.64

Finding the Fourth Proportional to 460,702.56, 691,064.80 and 123,743.64

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Solution

The fourth proportional to 460,702.56, 691,064.80 and 123,743.64 is: 185,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,702.56 : 691,064.80 = 123,743.64 : x
  2. Step 2: Convert to fraction form
    460,702.56/691,064.80 = 123,743.64/x
  3. Step 3: Cross multiply
    460,702.56x = 691,064.80 × 123,743.64
  4. Step 4: Simplify right side
    460,702.56x = 85,514,873,827.87
  5. Step 5: Solve for x
    x = 85,514,873,827.87/460,702.56
  6. Step 6: Final answer
    x = 185,618.40

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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.