Home / 724,868.95-1,087,676.52-298,719.64

Finding the Fourth Proportional to 724,868.95, 1,087,676.52 and 298,719.64

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Solution

The fourth proportional to 724,868.95, 1,087,676.52 and 298,719.64 is: 448,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,868.95 : 1,087,676.52 = 298,719.64 : x
  2. Step 2: Convert to fraction form
    724,868.95/1,087,676.52 = 298,719.64/x
  3. Step 3: Cross multiply
    724,868.95x = 1,087,676.52 × 298,719.64
  4. Step 4: Simplify right side
    724,868.95x = 324,910,338,490.85
  5. Step 5: Solve for x
    x = 324,910,338,490.85/724,868.95
  6. Step 6: Final answer
    x = 448,233.21

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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.