Home / 816,887.94-1,127,388.02-468,074.54

Finding the Fourth Proportional to 816,887.94, 1,127,388.02 and 468,074.54

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Solution

The fourth proportional to 816,887.94, 1,127,388.02 and 468,074.54 is: 645,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,887.94 : 1,127,388.02 = 468,074.54 : x
  2. Step 2: Convert to fraction form
    816,887.94/1,127,388.02 = 468,074.54/x
  3. Step 3: Cross multiply
    816,887.94x = 1,127,388.02 × 468,074.54
  4. Step 4: Simplify right side
    816,887.94x = 527,701,624,047.08
  5. Step 5: Solve for x
    x = 527,701,624,047.08/816,887.94
  6. Step 6: Final answer
    x = 645,990.23

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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.