Home / 677,491.04-934,974.96-375,678.56

Finding the Fourth Proportional to 677,491.04, 934,974.96 and 375,678.56

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Solution

The fourth proportional to 677,491.04, 934,974.96 and 375,678.56 is: 518,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,491.04 : 934,974.96 = 375,678.56 : x
  2. Step 2: Convert to fraction form
    677,491.04/934,974.96 = 375,678.56/x
  3. Step 3: Cross multiply
    677,491.04x = 934,974.96 × 375,678.56
  4. Step 4: Simplify right side
    677,491.04x = 351,250,046,608.86
  5. Step 5: Solve for x
    x = 351,250,046,608.86/677,491.04
  6. Step 6: Final answer
    x = 518,457.11

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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.