Home / 877,750.56-1,316,625.84-308,997.72

Finding the Fourth Proportional to 877,750.56, 1,316,625.84 and 308,997.72

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Solution

The fourth proportional to 877,750.56, 1,316,625.84 and 308,997.72 is: 463,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,750.56 : 1,316,625.84 = 308,997.72 : x
  2. Step 2: Convert to fraction form
    877,750.56/1,316,625.84 = 308,997.72/x
  3. Step 3: Cross multiply
    877,750.56x = 1,316,625.84 × 308,997.72
  4. Step 4: Simplify right side
    877,750.56x = 406,834,382,653.09
  5. Step 5: Solve for x
    x = 406,834,382,653.09/877,750.56
  6. Step 6: Final answer
    x = 463,496.58

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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.