Home / 767,954.27-1,059,777.35-428,422.52

Finding the Fourth Proportional to 767,954.27, 1,059,777.35 and 428,422.52

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Solution

The fourth proportional to 767,954.27, 1,059,777.35 and 428,422.52 is: 591,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,954.27 : 1,059,777.35 = 428,422.52 : x
  2. Step 2: Convert to fraction form
    767,954.27/1,059,777.35 = 428,422.52/x
  3. Step 3: Cross multiply
    767,954.27x = 1,059,777.35 × 428,422.52
  4. Step 4: Simplify right side
    767,954.27x = 454,032,482,925.92
  5. Step 5: Solve for x
    x = 454,032,482,925.92/767,954.27
  6. Step 6: Final answer
    x = 591,223.33

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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.