Home / 767,684.88-1,059,062.85-445,208.40

Finding the Fourth Proportional to 767,684.88, 1,059,062.85 and 445,208.40

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Solution

The fourth proportional to 767,684.88, 1,059,062.85 and 445,208.40 is: 614,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,684.88 : 1,059,062.85 = 445,208.40 : x
  2. Step 2: Convert to fraction form
    767,684.88/1,059,062.85 = 445,208.40/x
  3. Step 3: Cross multiply
    767,684.88x = 1,059,062.85 × 445,208.40
  4. Step 4: Simplify right side
    767,684.88x = 471,503,676,947.94
  5. Step 5: Solve for x
    x = 471,503,676,947.94/767,684.88
  6. Step 6: Final answer
    x = 614,189.09

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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.