Home / 829,389.38-1,244,281.50-268,423.88

Finding the Fourth Proportional to 829,389.38, 1,244,281.50 and 268,423.88

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Solution

The fourth proportional to 829,389.38, 1,244,281.50 and 268,423.88 is: 402,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,389.38 : 1,244,281.50 = 268,423.88 : x
  2. Step 2: Convert to fraction form
    829,389.38/1,244,281.50 = 268,423.88/x
  3. Step 3: Cross multiply
    829,389.38x = 1,244,281.50 × 268,423.88
  4. Step 4: Simplify right side
    829,389.38x = 333,994,861,820.81
  5. Step 5: Solve for x
    x = 333,994,861,820.81/829,389.38
  6. Step 6: Final answer
    x = 402,699.71

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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.