Home / 772,778.87-1,065,454.85-552,279.65

Finding the Fourth Proportional to 772,778.87, 1,065,454.85 and 552,279.65

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Solution

The fourth proportional to 772,778.87, 1,065,454.85 and 552,279.65 is: 761,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,778.87 : 1,065,454.85 = 552,279.65 : x
  2. Step 2: Convert to fraction form
    772,778.87/1,065,454.85 = 552,279.65/x
  3. Step 3: Cross multiply
    772,778.87x = 1,065,454.85 × 552,279.65
  4. Step 4: Simplify right side
    772,778.87x = 588,429,031,648.80
  5. Step 5: Solve for x
    x = 588,429,031,648.80/772,778.87
  6. Step 6: Final answer
    x = 761,445.55

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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.