Home / 787,426.11-1,181,327.49-254,947.50

Finding the Fourth Proportional to 787,426.11, 1,181,327.49 and 254,947.50

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Solution

The fourth proportional to 787,426.11, 1,181,327.49 and 254,947.50 is: 382,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,426.11 : 1,181,327.49 = 254,947.50 : x
  2. Step 2: Convert to fraction form
    787,426.11/1,181,327.49 = 254,947.50/x
  3. Step 3: Cross multiply
    787,426.11x = 1,181,327.49 × 254,947.50
  4. Step 4: Simplify right side
    787,426.11x = 301,176,490,256.78
  5. Step 5: Solve for x
    x = 301,176,490,256.78/787,426.11
  6. Step 6: Final answer
    x = 382,482.22

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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.