Home / 787,426.57-1,181,327.57-254,947.76

Finding the Fourth Proportional to 787,426.57, 1,181,327.57 and 254,947.76

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Solution

The fourth proportional to 787,426.57, 1,181,327.57 and 254,947.76 is: 382,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,426.57 : 1,181,327.57 = 254,947.76 : x
  2. Step 2: Convert to fraction form
    787,426.57/1,181,327.57 = 254,947.76/x
  3. Step 3: Cross multiply
    787,426.57x = 1,181,327.57 × 254,947.76
  4. Step 4: Simplify right side
    787,426.57x = 301,176,810,616.37
  5. Step 5: Solve for x
    x = 301,176,810,616.37/787,426.57
  6. Step 6: Final answer
    x = 382,482.41

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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.