Home / 757,342.56-1,045,132.68-417,810.80

Finding the Fourth Proportional to 757,342.56, 1,045,132.68 and 417,810.80

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Solution

The fourth proportional to 757,342.56, 1,045,132.68 and 417,810.80 is: 576,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,342.56 : 1,045,132.68 = 417,810.80 : x
  2. Step 2: Convert to fraction form
    757,342.56/1,045,132.68 = 417,810.80/x
  3. Step 3: Cross multiply
    757,342.56x = 1,045,132.68 × 417,810.80
  4. Step 4: Simplify right side
    757,342.56x = 436,667,721,136.94
  5. Step 5: Solve for x
    x = 436,667,721,136.94/757,342.56
  6. Step 6: Final answer
    x = 576,578.87

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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.