Home / 944,418.72-1,416,838.56-345,366.60

Finding the Fourth Proportional to 944,418.72, 1,416,838.56 and 345,366.60

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Solution

The fourth proportional to 944,418.72, 1,416,838.56 and 345,366.60 is: 518,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,418.72 : 1,416,838.56 = 345,366.60 : x
  2. Step 2: Convert to fraction form
    944,418.72/1,416,838.56 = 345,366.60/x
  3. Step 3: Cross multiply
    944,418.72x = 1,416,838.56 × 345,366.60
  4. Step 4: Simplify right side
    944,418.72x = 489,328,716,216.10
  5. Step 5: Solve for x
    x = 489,328,716,216.10/944,418.72
  6. Step 6: Final answer
    x = 518,126.87

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1.5x scale

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.