Home / 724,658.21-1,087,025.25-219,206.24

Finding the Fourth Proportional to 724,658.21, 1,087,025.25 and 219,206.24

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Solution

The fourth proportional to 724,658.21, 1,087,025.25 and 219,206.24 is: 328,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,658.21 : 1,087,025.25 = 219,206.24 : x
  2. Step 2: Convert to fraction form
    724,658.21/1,087,025.25 = 219,206.24/x
  3. Step 3: Cross multiply
    724,658.21x = 1,087,025.25 × 219,206.24
  4. Step 4: Simplify right side
    724,658.21x = 238,282,717,837.56
  5. Step 5: Solve for x
    x = 238,282,717,837.56/724,658.21
  6. Step 6: Final answer
    x = 328,820.84

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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.