Home / 788,515.99-1,182,872.41-308,681.81

Finding the Fourth Proportional to 788,515.99, 1,182,872.41 and 308,681.81

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Solution

The fourth proportional to 788,515.99, 1,182,872.41 and 308,681.81 is: 463,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,515.99 : 1,182,872.41 = 308,681.81 : x
  2. Step 2: Convert to fraction form
    788,515.99/1,182,872.41 = 308,681.81/x
  3. Step 3: Cross multiply
    788,515.99x = 1,182,872.41 × 308,681.81
  4. Step 4: Simplify right side
    788,515.99x = 365,131,196,517.86
  5. Step 5: Solve for x
    x = 365,131,196,517.86/788,515.99
  6. Step 6: Final answer
    x = 463,061.25

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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.