Home / 835,431.76-1,251,569.40-647,523.28

Finding the Fourth Proportional to 835,431.76, 1,251,569.40 and 647,523.28

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Solution

The fourth proportional to 835,431.76, 1,251,569.40 and 647,523.28 is: 970,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,431.76 : 1,251,569.40 = 647,523.28 : x
  2. Step 2: Convert to fraction form
    835,431.76/1,251,569.40 = 647,523.28/x
  3. Step 3: Cross multiply
    835,431.76x = 1,251,569.40 × 647,523.28
  4. Step 4: Simplify right side
    835,431.76x = 810,420,323,035.63
  5. Step 5: Solve for x
    x = 810,420,323,035.63/835,431.76
  6. Step 6: Final answer
    x = 970,061.66

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1.5x scale

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.