Home / 724,868.70-1,087,676.15-298,719.39

Finding the Fourth Proportional to 724,868.70, 1,087,676.15 and 298,719.39

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Solution

The fourth proportional to 724,868.70, 1,087,676.15 and 298,719.39 is: 448,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,868.70 : 1,087,676.15 = 298,719.39 : x
  2. Step 2: Convert to fraction form
    724,868.70/1,087,676.15 = 298,719.39/x
  3. Step 3: Cross multiply
    724,868.70x = 1,087,676.15 × 298,719.39
  4. Step 4: Simplify right side
    724,868.70x = 324,909,954,551.95
  5. Step 5: Solve for x
    x = 324,909,954,551.95/724,868.70
  6. Step 6: Final answer
    x = 448,232.84

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1.5x scale

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.