Home / 766,788.30-1,058,172.21-444,689.46

Finding the Fourth Proportional to 766,788.30, 1,058,172.21 and 444,689.46

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Solution

The fourth proportional to 766,788.30, 1,058,172.21 and 444,689.46 is: 613,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,788.30 : 1,058,172.21 = 444,689.46 : x
  2. Step 2: Convert to fraction form
    766,788.30/1,058,172.21 = 444,689.46/x
  3. Step 3: Cross multiply
    766,788.30x = 1,058,172.21 × 444,689.46
  4. Step 4: Simplify right side
    766,788.30x = 470,558,028,651.91
  5. Step 5: Solve for x
    x = 470,558,028,651.91/766,788.30
  6. Step 6: Final answer
    x = 613,673.98

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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.