Home / 850,143.60-1,277,116.20-710,175.60

Finding the Fourth Proportional to 850,143.60, 1,277,116.20 and 710,175.60

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Solution

The fourth proportional to 850,143.60, 1,277,116.20 and 710,175.60 is: 1,066,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,143.60 : 1,277,116.20 = 710,175.60 : x
  2. Step 2: Convert to fraction form
    850,143.60/1,277,116.20 = 710,175.60/x
  3. Step 3: Cross multiply
    850,143.60x = 1,277,116.20 × 710,175.60
  4. Step 4: Simplify right side
    850,143.60x = 906,976,763,604.72
  5. Step 5: Solve for x
    x = 906,976,763,604.72/850,143.60
  6. Step 6: Final answer
    x = 1,066,851.25

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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.