Home / 688,470.40-1,031,967.29-332,995.42

Finding the Fourth Proportional to 688,470.40, 1,031,967.29 and 332,995.42

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Solution

The fourth proportional to 688,470.40, 1,031,967.29 and 332,995.42 is: 499,136.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,470.40 : 1,031,967.29 = 332,995.42 : x
  2. Step 2: Convert to fraction form
    688,470.40/1,031,967.29 = 332,995.42/x
  3. Step 3: Cross multiply
    688,470.40x = 1,031,967.29 × 332,995.42
  4. Step 4: Simplify right side
    688,470.40x = 343,640,381,409.16
  5. Step 5: Solve for x
    x = 343,640,381,409.16/688,470.40
  6. Step 6: Final answer
    x = 499,136.03

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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.