Home / 644,139.70-967,246.35-486,546.10

Finding the Fourth Proportional to 644,139.70, 967,246.35 and 486,546.10

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Solution

The fourth proportional to 644,139.70, 967,246.35 and 486,546.10 is: 730,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,139.70 : 967,246.35 = 486,546.10 : x
  2. Step 2: Convert to fraction form
    644,139.70/967,246.35 = 486,546.10/x
  3. Step 3: Cross multiply
    644,139.70x = 967,246.35 × 486,546.10
  4. Step 4: Simplify right side
    644,139.70x = 470,609,939,331.74
  5. Step 5: Solve for x
    x = 470,609,939,331.74/644,139.70
  6. Step 6: Final answer
    x = 730,602.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.