Home / 766,619.80-1,149,929.70-367,054.90

Finding the Fourth Proportional to 766,619.80, 1,149,929.70 and 367,054.90

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Solution

The fourth proportional to 766,619.80, 1,149,929.70 and 367,054.90 is: 550,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,619.80 : 1,149,929.70 = 367,054.90 : x
  2. Step 2: Convert to fraction form
    766,619.80/1,149,929.70 = 367,054.90/x
  3. Step 3: Cross multiply
    766,619.80x = 1,149,929.70 × 367,054.90
  4. Step 4: Simplify right side
    766,619.80x = 422,087,331,040.53
  5. Step 5: Solve for x
    x = 422,087,331,040.53/766,619.80
  6. Step 6: Final answer
    x = 550,582.35

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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.