Home / 489,770.46-734,714.10-236,869.21

Finding the Fourth Proportional to 489,770.46, 734,714.10 and 236,869.21

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Solution

The fourth proportional to 489,770.46, 734,714.10 and 236,869.21 is: 355,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,770.46 : 734,714.10 = 236,869.21 : x
  2. Step 2: Convert to fraction form
    489,770.46/734,714.10 = 236,869.21/x
  3. Step 3: Cross multiply
    489,770.46x = 734,714.10 × 236,869.21
  4. Step 4: Simplify right side
    489,770.46x = 174,031,151,103.02
  5. Step 5: Solve for x
    x = 174,031,151,103.02/489,770.46
  6. Step 6: Final answer
    x = 355,332.07

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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.