Home / 767,913.50-1,059,589.41-445,549.70

Finding the Fourth Proportional to 767,913.50, 1,059,589.41 and 445,549.70

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Solution

The fourth proportional to 767,913.50, 1,059,589.41 and 445,549.70 is: 614,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,913.50 : 1,059,589.41 = 445,549.70 : x
  2. Step 2: Convert to fraction form
    767,913.50/1,059,589.41 = 445,549.70/x
  3. Step 3: Cross multiply
    767,913.50x = 1,059,589.41 × 445,549.70
  4. Step 4: Simplify right side
    767,913.50x = 472,099,743,748.68
  5. Step 5: Solve for x
    x = 472,099,743,748.68/767,913.50
  6. Step 6: Final answer
    x = 614,782.45

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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.