Home / 767,920.69-1,059,941.35-445,734.58

Finding the Fourth Proportional to 767,920.69, 1,059,941.35 and 445,734.58

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Solution

The fourth proportional to 767,920.69, 1,059,941.35 and 445,734.58 is: 615,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,920.69 : 1,059,941.35 = 445,734.58 : x
  2. Step 2: Convert to fraction form
    767,920.69/1,059,941.35 = 445,734.58/x
  3. Step 3: Cross multiply
    767,920.69x = 1,059,941.35 × 445,734.58
  4. Step 4: Simplify right side
    767,920.69x = 472,452,515,847.19
  5. Step 5: Solve for x
    x = 472,452,515,847.19/767,920.69
  6. Step 6: Final answer
    x = 615,236.08

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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.