Home / 821,074.71-1,132,761.33-476,851.80

Finding the Fourth Proportional to 821,074.71, 1,132,761.33 and 476,851.80

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Solution

The fourth proportional to 821,074.71, 1,132,761.33 and 476,851.80 is: 657,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,074.71 : 1,132,761.33 = 476,851.80 : x
  2. Step 2: Convert to fraction form
    821,074.71/1,132,761.33 = 476,851.80/x
  3. Step 3: Cross multiply
    821,074.71x = 1,132,761.33 × 476,851.80
  4. Step 4: Simplify right side
    821,074.71x = 540,159,279,180.89
  5. Step 5: Solve for x
    x = 540,159,279,180.89/821,074.71
  6. Step 6: Final answer
    x = 657,868.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.