Home / 757,041.09-1,135,229.43-283,394.30

Finding the Fourth Proportional to 757,041.09, 1,135,229.43 and 283,394.30

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Solution

The fourth proportional to 757,041.09, 1,135,229.43 and 283,394.30 is: 424,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,041.09 : 1,135,229.43 = 283,394.30 : x
  2. Step 2: Convert to fraction form
    757,041.09/1,135,229.43 = 283,394.30/x
  3. Step 3: Cross multiply
    757,041.09x = 1,135,229.43 × 283,394.30
  4. Step 4: Simplify right side
    757,041.09x = 321,717,543,446.74
  5. Step 5: Solve for x
    x = 321,717,543,446.74/757,041.09
  6. Step 6: Final answer
    x = 424,967.08

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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.