Home / 749,855.09-1,034,797.23-405,689.92

Finding the Fourth Proportional to 749,855.09, 1,034,797.23 and 405,689.92

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Solution

The fourth proportional to 749,855.09, 1,034,797.23 and 405,689.92 is: 559,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,855.09 : 1,034,797.23 = 405,689.92 : x
  2. Step 2: Convert to fraction form
    749,855.09/1,034,797.23 = 405,689.92/x
  3. Step 3: Cross multiply
    749,855.09x = 1,034,797.23 × 405,689.92
  4. Step 4: Simplify right side
    749,855.09x = 419,806,802,867.93
  5. Step 5: Solve for x
    x = 419,806,802,867.93/749,855.09
  6. Step 6: Final answer
    x = 559,850.57

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Double scale
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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.