Home / 847,571.60-1,169,850.59-485,204.87

Finding the Fourth Proportional to 847,571.60, 1,169,850.59 and 485,204.87

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Solution

The fourth proportional to 847,571.60, 1,169,850.59 and 485,204.87 is: 669,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,571.60 : 1,169,850.59 = 485,204.87 : x
  2. Step 2: Convert to fraction form
    847,571.60/1,169,850.59 = 485,204.87/x
  3. Step 3: Cross multiply
    847,571.60x = 1,169,850.59 × 485,204.87
  4. Step 4: Simplify right side
    847,571.60x = 567,617,195,165.10
  5. Step 5: Solve for x
    x = 567,617,195,165.10/847,571.60
  6. Step 6: Final answer
    x = 669,698.23

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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.