Home / 670,851.05-1,005,876.41-454,975.71

Finding the Fourth Proportional to 670,851.05, 1,005,876.41 and 454,975.71

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Solution

The fourth proportional to 670,851.05, 1,005,876.41 and 454,975.71 is: 682,192.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,851.05 : 1,005,876.41 = 454,975.71 : x
  2. Step 2: Convert to fraction form
    670,851.05/1,005,876.41 = 454,975.71/x
  3. Step 3: Cross multiply
    670,851.05x = 1,005,876.41 × 454,975.71
  4. Step 4: Simplify right side
    670,851.05x = 457,649,331,537.12
  5. Step 5: Solve for x
    x = 457,649,331,537.12/670,851.05
  6. Step 6: Final answer
    x = 682,192.17

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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.