Home / 776,375.60-1,071,151.02-436,778.24

Finding the Fourth Proportional to 776,375.60, 1,071,151.02 and 436,778.24

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Solution

The fourth proportional to 776,375.60, 1,071,151.02 and 436,778.24 is: 602,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,375.60 : 1,071,151.02 = 436,778.24 : x
  2. Step 2: Convert to fraction form
    776,375.60/1,071,151.02 = 436,778.24/x
  3. Step 3: Cross multiply
    776,375.60x = 1,071,151.02 × 436,778.24
  4. Step 4: Simplify right side
    776,375.60x = 467,855,451,934.05
  5. Step 5: Solve for x
    x = 467,855,451,934.05/776,375.60
  6. Step 6: Final answer
    x = 602,614.84

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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.