Home / 850,984.28-1,174,404.49-488,405.24

Finding the Fourth Proportional to 850,984.28, 1,174,404.49 and 488,405.24

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Solution

The fourth proportional to 850,984.28, 1,174,404.49 and 488,405.24 is: 674,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,984.28 : 1,174,404.49 = 488,405.24 : x
  2. Step 2: Convert to fraction form
    850,984.28/1,174,404.49 = 488,405.24/x
  3. Step 3: Cross multiply
    850,984.28x = 1,174,404.49 × 488,405.24
  4. Step 4: Simplify right side
    850,984.28x = 573,585,306,795.53
  5. Step 5: Solve for x
    x = 573,585,306,795.53/850,984.28
  6. Step 6: Final answer
    x = 674,025.74

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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.