Home / 740,974.05-1,022,167.98-468,583.20

Finding the Fourth Proportional to 740,974.05, 1,022,167.98 and 468,583.20

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Solution

The fourth proportional to 740,974.05, 1,022,167.98 and 468,583.20 is: 646,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,974.05 : 1,022,167.98 = 468,583.20 : x
  2. Step 2: Convert to fraction form
    740,974.05/1,022,167.98 = 468,583.20/x
  3. Step 3: Cross multiply
    740,974.05x = 1,022,167.98 × 468,583.20
  4. Step 4: Simplify right side
    740,974.05x = 478,970,743,005.94
  5. Step 5: Solve for x
    x = 478,970,743,005.94/740,974.05
  6. Step 6: Final answer
    x = 646,406.91

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1.5x scale

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.