Home / 874,816.88-1,207,247.29-472,408.88

Finding the Fourth Proportional to 874,816.88, 1,207,247.29 and 472,408.88

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Solution

The fourth proportional to 874,816.88, 1,207,247.29 and 472,408.88 is: 651,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,816.88 : 1,207,247.29 = 472,408.88 : x
  2. Step 2: Convert to fraction form
    874,816.88/1,207,247.29 = 472,408.88/x
  3. Step 3: Cross multiply
    874,816.88x = 1,207,247.29 × 472,408.88
  4. Step 4: Simplify right side
    874,816.88x = 570,314,332,934.68
  5. Step 5: Solve for x
    x = 570,314,332,934.68/874,816.88
  6. Step 6: Final answer
    x = 651,924.25

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Double scale
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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.