Home / 745,723.49-1,118,629.60-233,484.57

Finding the Fourth Proportional to 745,723.49, 1,118,629.60 and 233,484.57

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Solution

The fourth proportional to 745,723.49, 1,118,629.60 and 233,484.57 is: 350,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,723.49 : 1,118,629.60 = 233,484.57 : x
  2. Step 2: Convert to fraction form
    745,723.49/1,118,629.60 = 233,484.57/x
  3. Step 3: Cross multiply
    745,723.49x = 1,118,629.60 × 233,484.57
  4. Step 4: Simplify right side
    745,723.49x = 261,182,750,561.56
  5. Step 5: Solve for x
    x = 261,182,750,561.56/745,723.49
  6. Step 6: Final answer
    x = 350,240.75

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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.