Home / 648,491.16-894,849.78-376,505.91

Finding the Fourth Proportional to 648,491.16, 894,849.78 and 376,505.91

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Solution

The fourth proportional to 648,491.16, 894,849.78 and 376,505.91 is: 519,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,491.16 : 894,849.78 = 376,505.91 : x
  2. Step 2: Convert to fraction form
    648,491.16/894,849.78 = 376,505.91/x
  3. Step 3: Cross multiply
    648,491.16x = 894,849.78 × 376,505.91
  4. Step 4: Simplify right side
    648,491.16x = 336,916,230,732.20
  5. Step 5: Solve for x
    x = 336,916,230,732.20/648,491.16
  6. Step 6: Final answer
    x = 519,538.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.