Home / 766,506.48-1,057,780.44-444,278.64

Finding the Fourth Proportional to 766,506.48, 1,057,780.44 and 444,278.64

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Solution

The fourth proportional to 766,506.48, 1,057,780.44 and 444,278.64 is: 613,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,506.48 : 1,057,780.44 = 444,278.64 : x
  2. Step 2: Convert to fraction form
    766,506.48/1,057,780.44 = 444,278.64/x
  3. Step 3: Cross multiply
    766,506.48x = 1,057,780.44 × 444,278.64
  4. Step 4: Simplify right side
    766,506.48x = 469,949,255,301.80
  5. Step 5: Solve for x
    x = 469,949,255,301.80/766,506.48
  6. Step 6: Final answer
    x = 613,105.39

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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.