Home / 482,524.32-723,048.39-257,916.72

Finding the Fourth Proportional to 482,524.32, 723,048.39 and 257,916.72

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Solution

The fourth proportional to 482,524.32, 723,048.39 and 257,916.72 is: 386,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,524.32 : 723,048.39 = 257,916.72 : x
  2. Step 2: Convert to fraction form
    482,524.32/723,048.39 = 257,916.72/x
  3. Step 3: Cross multiply
    482,524.32x = 723,048.39 × 257,916.72
  4. Step 4: Simplify right side
    482,524.32x = 186,486,269,150.08
  5. Step 5: Solve for x
    x = 186,486,269,150.08/482,524.32
  6. Step 6: Final answer
    x = 386,480.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.