Home / 725,209.61-1,087,814.41-275,826.67

Finding the Fourth Proportional to 725,209.61, 1,087,814.41 and 275,826.67

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Solution

The fourth proportional to 725,209.61, 1,087,814.41 and 275,826.67 is: 413,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,209.61 : 1,087,814.41 = 275,826.67 : x
  2. Step 2: Convert to fraction form
    725,209.61/1,087,814.41 = 275,826.67/x
  3. Step 3: Cross multiply
    725,209.61x = 1,087,814.41 × 275,826.67
  4. Step 4: Simplify right side
    725,209.61x = 300,048,222,879.21
  5. Step 5: Solve for x
    x = 300,048,222,879.21/725,209.61
  6. Step 6: Final answer
    x = 413,740.00

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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.