Home / 823,269.42-1,234,682.19-290,720.34

Finding the Fourth Proportional to 823,269.42, 1,234,682.19 and 290,720.34

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Solution

The fourth proportional to 823,269.42, 1,234,682.19 and 290,720.34 is: 436,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,269.42 : 1,234,682.19 = 290,720.34 : x
  2. Step 2: Convert to fraction form
    823,269.42/1,234,682.19 = 290,720.34/x
  3. Step 3: Cross multiply
    823,269.42x = 1,234,682.19 × 290,720.34
  4. Step 4: Simplify right side
    823,269.42x = 358,947,226,068.75
  5. Step 5: Solve for x
    x = 358,947,226,068.75/823,269.42
  6. Step 6: Final answer
    x = 436,002.14

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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.