Home / 761,839.00-1,143,133.12-306,412.18

Finding the Fourth Proportional to 761,839.00, 1,143,133.12 and 306,412.18

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Solution

The fourth proportional to 761,839.00, 1,143,133.12 and 306,412.18 is: 459,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,839.00 : 1,143,133.12 = 306,412.18 : x
  2. Step 2: Convert to fraction form
    761,839.00/1,143,133.12 = 306,412.18/x
  3. Step 3: Cross multiply
    761,839.00x = 1,143,133.12 × 306,412.18
  4. Step 4: Simplify right side
    761,839.00x = 350,269,908,854.58
  5. Step 5: Solve for x
    x = 350,269,908,854.58/761,839.00
  6. Step 6: Final answer
    x = 459,768.94

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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.