Home / 710,212.28-1,065,467.96-230,402.56

Finding the Fourth Proportional to 710,212.28, 1,065,467.96 and 230,402.56

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Solution

The fourth proportional to 710,212.28, 1,065,467.96 and 230,402.56 is: 345,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,212.28 : 1,065,467.96 = 230,402.56 : x
  2. Step 2: Convert to fraction form
    710,212.28/1,065,467.96 = 230,402.56/x
  3. Step 3: Cross multiply
    710,212.28x = 1,065,467.96 × 230,402.56
  4. Step 4: Simplify right side
    710,212.28x = 245,486,545,581.98
  5. Step 5: Solve for x
    x = 245,486,545,581.98/710,212.28
  6. Step 6: Final answer
    x = 345,652.35

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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.