Home / 710,215.28-1,065,472.46-230,405.56

Finding the Fourth Proportional to 710,215.28, 1,065,472.46 and 230,405.56

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Solution

The fourth proportional to 710,215.28, 1,065,472.46 and 230,405.56 is: 345,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,215.28 : 1,065,472.46 = 230,405.56 : x
  2. Step 2: Convert to fraction form
    710,215.28/1,065,472.46 = 230,405.56/x
  3. Step 3: Cross multiply
    710,215.28x = 1,065,472.46 × 230,405.56
  4. Step 4: Simplify right side
    710,215.28x = 245,490,778,810.88
  5. Step 5: Solve for x
    x = 245,490,778,810.88/710,215.28
  6. Step 6: Final answer
    x = 345,656.85

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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.