Home / 745,780.80-1,118,715.41-233,541.75

Finding the Fourth Proportional to 745,780.80, 1,118,715.41 and 233,541.75

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Solution

The fourth proportional to 745,780.80, 1,118,715.41 and 233,541.75 is: 350,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,780.80 : 1,118,715.41 = 233,541.75 : x
  2. Step 2: Convert to fraction form
    745,780.80/1,118,715.41 = 233,541.75/x
  3. Step 3: Cross multiply
    745,780.80x = 1,118,715.41 × 233,541.75
  4. Step 4: Simplify right side
    745,780.80x = 261,266,753,435.66
  5. Step 5: Solve for x
    x = 261,266,753,435.66/745,780.80
  6. Step 6: Final answer
    x = 350,326.47

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1.5x scale

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.