Home / 767,953.27-1,059,775.97-428,421.52

Finding the Fourth Proportional to 767,953.27, 1,059,775.97 and 428,421.52

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Solution

The fourth proportional to 767,953.27, 1,059,775.97 and 428,421.52 is: 591,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,953.27 : 1,059,775.97 = 428,421.52 : x
  2. Step 2: Convert to fraction form
    767,953.27/1,059,775.97 = 428,421.52/x
  3. Step 3: Cross multiply
    767,953.27x = 1,059,775.97 × 428,421.52
  4. Step 4: Simplify right side
    767,953.27x = 454,030,831,109.49
  5. Step 5: Solve for x
    x = 454,030,831,109.49/767,953.27
  6. Step 6: Final answer
    x = 591,221.95

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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.