Home / 761,033.38-1,141,549.29-311,755.09

Finding the Fourth Proportional to 761,033.38, 1,141,549.29 and 311,755.09

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Solution

The fourth proportional to 761,033.38, 1,141,549.29 and 311,755.09 is: 467,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,033.38 : 1,141,549.29 = 311,755.09 : x
  2. Step 2: Convert to fraction form
    761,033.38/1,141,549.29 = 311,755.09/x
  3. Step 3: Cross multiply
    761,033.38x = 1,141,549.29 × 311,755.09
  4. Step 4: Simplify right side
    761,033.38x = 355,883,801,643.39
  5. Step 5: Solve for x
    x = 355,883,801,643.39/761,033.38
  6. Step 6: Final answer
    x = 467,632.32

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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.