Home / 877,384.44-1,316,076.66-316,418.94

Finding the Fourth Proportional to 877,384.44, 1,316,076.66 and 316,418.94

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Solution

The fourth proportional to 877,384.44, 1,316,076.66 and 316,418.94 is: 474,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,384.44 : 1,316,076.66 = 316,418.94 : x
  2. Step 2: Convert to fraction form
    877,384.44/1,316,076.66 = 316,418.94/x
  3. Step 3: Cross multiply
    877,384.44x = 1,316,076.66 × 316,418.94
  4. Step 4: Simplify right side
    877,384.44x = 416,431,581,715.94
  5. Step 5: Solve for x
    x = 416,431,581,715.94/877,384.44
  6. Step 6: Final answer
    x = 474,628.41

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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.