Home / 750,639.40-1,126,033.02-218,165.08

Finding the Fourth Proportional to 750,639.40, 1,126,033.02 and 218,165.08

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Solution

The fourth proportional to 750,639.40, 1,126,033.02 and 218,165.08 is: 327,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,639.40 : 1,126,033.02 = 218,165.08 : x
  2. Step 2: Convert to fraction form
    750,639.40/1,126,033.02 = 218,165.08/x
  3. Step 3: Cross multiply
    750,639.40x = 1,126,033.02 × 218,165.08
  4. Step 4: Simplify right side
    750,639.40x = 245,661,083,890.94
  5. Step 5: Solve for x
    x = 245,661,083,890.94/750,639.40
  6. Step 6: Final answer
    x = 327,269.10

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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.