Home / 724,600.70-1,087,071.74-219,165.86

Finding the Fourth Proportional to 724,600.70, 1,087,071.74 and 219,165.86

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Solution

The fourth proportional to 724,600.70, 1,087,071.74 and 219,165.86 is: 328,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,600.70 : 1,087,071.74 = 219,165.86 : x
  2. Step 2: Convert to fraction form
    724,600.70/1,087,071.74 = 219,165.86/x
  3. Step 3: Cross multiply
    724,600.70x = 1,087,071.74 × 219,165.86
  4. Step 4: Simplify right side
    724,600.70x = 238,249,006,247.61
  5. Step 5: Solve for x
    x = 238,249,006,247.61/724,600.70
  6. Step 6: Final answer
    x = 328,800.41

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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.