Home / 950,151.72-1,311,209.93-520,439.02

Finding the Fourth Proportional to 950,151.72, 1,311,209.93 and 520,439.02

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Solution

The fourth proportional to 950,151.72, 1,311,209.93 and 520,439.02 is: 718,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,151.72 : 1,311,209.93 = 520,439.02 : x
  2. Step 2: Convert to fraction form
    950,151.72/1,311,209.93 = 520,439.02/x
  3. Step 3: Cross multiply
    950,151.72x = 1,311,209.93 × 520,439.02
  4. Step 4: Simplify right side
    950,151.72x = 682,404,813,454.63
  5. Step 5: Solve for x
    x = 682,404,813,454.63/950,151.72
  6. Step 6: Final answer
    x = 718,206.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.