Home / 944,321.28-1,416,629.44-383,395.20

Finding the Fourth Proportional to 944,321.28, 1,416,629.44 and 383,395.20

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Solution

The fourth proportional to 944,321.28, 1,416,629.44 and 383,395.20 is: 575,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,321.28 : 1,416,629.44 = 383,395.20 : x
  2. Step 2: Convert to fraction form
    944,321.28/1,416,629.44 = 383,395.20/x
  3. Step 3: Cross multiply
    944,321.28x = 1,416,629.44 × 383,395.20
  4. Step 4: Simplify right side
    944,321.28x = 543,128,927,474.69
  5. Step 5: Solve for x
    x = 543,128,927,474.69/944,321.28
  6. Step 6: Final answer
    x = 575,152.69

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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.