Home / 833,613.40-1,250,420.10-272,512.60

Finding the Fourth Proportional to 833,613.40, 1,250,420.10 and 272,512.60

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Solution

The fourth proportional to 833,613.40, 1,250,420.10 and 272,512.60 is: 408,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,613.40 : 1,250,420.10 = 272,512.60 : x
  2. Step 2: Convert to fraction form
    833,613.40/1,250,420.10 = 272,512.60/x
  3. Step 3: Cross multiply
    833,613.40x = 1,250,420.10 × 272,512.60
  4. Step 4: Simplify right side
    833,613.40x = 340,755,232,543.26
  5. Step 5: Solve for x
    x = 340,755,232,543.26/833,613.40
  6. Step 6: Final answer
    x = 408,768.90

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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.