Home / 766,830.60-1,058,230.42-444,731.66

Finding the Fourth Proportional to 766,830.60, 1,058,230.42 and 444,731.66

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Solution

The fourth proportional to 766,830.60, 1,058,230.42 and 444,731.66 is: 613,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,830.60 : 1,058,230.42 = 444,731.66 : x
  2. Step 2: Convert to fraction form
    766,830.60/1,058,230.42 = 444,731.66/x
  3. Step 3: Cross multiply
    766,830.60x = 1,058,230.42 × 444,731.66
  4. Step 4: Simplify right side
    766,830.60x = 470,628,571,349.10
  5. Step 5: Solve for x
    x = 470,628,571,349.10/766,830.60
  6. Step 6: Final answer
    x = 613,732.12

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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.