Home / 709,235.40-1,063,998.90-236,260.20

Finding the Fourth Proportional to 709,235.40, 1,063,998.90 and 236,260.20

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Solution

The fourth proportional to 709,235.40, 1,063,998.90 and 236,260.20 is: 354,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,235.40 : 1,063,998.90 = 236,260.20 : x
  2. Step 2: Convert to fraction form
    709,235.40/1,063,998.90 = 236,260.20/x
  3. Step 3: Cross multiply
    709,235.40x = 1,063,998.90 × 236,260.20
  4. Step 4: Simplify right side
    709,235.40x = 251,380,592,913.78
  5. Step 5: Solve for x
    x = 251,380,592,913.78/709,235.40
  6. Step 6: Final answer
    x = 354,438.87

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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.