Home / 431,157.45-595,010.78-247,429.64

Finding the Fourth Proportional to 431,157.45, 595,010.78 and 247,429.64

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Solution

The fourth proportional to 431,157.45, 595,010.78 and 247,429.64 is: 341,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,157.45 : 595,010.78 = 247,429.64 : x
  2. Step 2: Convert to fraction form
    431,157.45/595,010.78 = 247,429.64/x
  3. Step 3: Cross multiply
    431,157.45x = 595,010.78 × 247,429.64
  4. Step 4: Simplify right side
    431,157.45x = 147,223,300,922.82
  5. Step 5: Solve for x
    x = 147,223,300,922.82/431,157.45
  6. Step 6: Final answer
    x = 341,460.65

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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.