Home / 724,656.21-1,087,022.25-219,204.24

Finding the Fourth Proportional to 724,656.21, 1,087,022.25 and 219,204.24

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Solution

The fourth proportional to 724,656.21, 1,087,022.25 and 219,204.24 is: 328,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,656.21 : 1,087,022.25 = 219,204.24 : x
  2. Step 2: Convert to fraction form
    724,656.21/1,087,022.25 = 219,204.24/x
  3. Step 3: Cross multiply
    724,656.21x = 1,087,022.25 × 219,204.24
  4. Step 4: Simplify right side
    724,656.21x = 238,279,886,174.34
  5. Step 5: Solve for x
    x = 238,279,886,174.34/724,656.21
  6. Step 6: Final answer
    x = 328,817.84

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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.