Home / 805,124.40-1,207,832.40-404,757.60

Finding the Fourth Proportional to 805,124.40, 1,207,832.40 and 404,757.60

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Solution

The fourth proportional to 805,124.40, 1,207,832.40 and 404,757.60 is: 607,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,124.40 : 1,207,832.40 = 404,757.60 : x
  2. Step 2: Convert to fraction form
    805,124.40/1,207,832.40 = 404,757.60/x
  3. Step 3: Cross multiply
    805,124.40x = 1,207,832.40 × 404,757.60
  4. Step 4: Simplify right side
    805,124.40x = 488,879,343,426.24
  5. Step 5: Solve for x
    x = 488,879,343,426.24/805,124.40
  6. Step 6: Final answer
    x = 607,209.70

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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.