Home / 691,532.68-1,036,579.74-291,839.80

Finding the Fourth Proportional to 691,532.68, 1,036,579.74 and 291,839.80

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Solution

The fourth proportional to 691,532.68, 1,036,579.74 and 291,839.80 is: 437,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,532.68 : 1,036,579.74 = 291,839.80 : x
  2. Step 2: Convert to fraction form
    691,532.68/1,036,579.74 = 291,839.80/x
  3. Step 3: Cross multiply
    691,532.68x = 1,036,579.74 × 291,839.80
  4. Step 4: Simplify right side
    691,532.68x = 302,515,224,005.65
  5. Step 5: Solve for x
    x = 302,515,224,005.65/691,532.68
  6. Step 6: Final answer
    x = 437,456.15

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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.