Home / 768,891.96-1,153,584.72-369,561.69

Finding the Fourth Proportional to 768,891.96, 1,153,584.72 and 369,561.69

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Solution

The fourth proportional to 768,891.96, 1,153,584.72 and 369,561.69 is: 554,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,891.96 : 1,153,584.72 = 369,561.69 : x
  2. Step 2: Convert to fraction form
    768,891.96/1,153,584.72 = 369,561.69/x
  3. Step 3: Cross multiply
    768,891.96x = 1,153,584.72 × 369,561.69
  4. Step 4: Simplify right side
    768,891.96x = 426,320,718,681.38
  5. Step 5: Solve for x
    x = 426,320,718,681.38/768,891.96
  6. Step 6: Final answer
    x = 554,461.15

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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.