Home / 747,919.80-1,121,551.65-298,491.30

Finding the Fourth Proportional to 747,919.80, 1,121,551.65 and 298,491.30

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Solution

The fourth proportional to 747,919.80, 1,121,551.65 and 298,491.30 is: 447,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,919.80 : 1,121,551.65 = 298,491.30 : x
  2. Step 2: Convert to fraction form
    747,919.80/1,121,551.65 = 298,491.30/x
  3. Step 3: Cross multiply
    747,919.80x = 1,121,551.65 × 298,491.30
  4. Step 4: Simplify right side
    747,919.80x = 334,773,410,025.65
  5. Step 5: Solve for x
    x = 334,773,410,025.65/747,919.80
  6. Step 6: Final answer
    x = 447,606.03

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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.