Home / 690,532.24-1,035,940.38-291,174.16

Finding the Fourth Proportional to 690,532.24, 1,035,940.38 and 291,174.16

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Solution

The fourth proportional to 690,532.24, 1,035,940.38 and 291,174.16 is: 436,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,532.24 : 1,035,940.38 = 291,174.16 : x
  2. Step 2: Convert to fraction form
    690,532.24/1,035,940.38 = 291,174.16/x
  3. Step 3: Cross multiply
    690,532.24x = 1,035,940.38 × 291,174.16
  4. Step 4: Simplify right side
    690,532.24x = 301,639,069,956.58
  5. Step 5: Solve for x
    x = 301,639,069,956.58/690,532.24
  6. Step 6: Final answer
    x = 436,821.13

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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.