Home / 823,785.10-1,235,439.08-247,385.15

Finding the Fourth Proportional to 823,785.10, 1,235,439.08 and 247,385.15

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Solution

The fourth proportional to 823,785.10, 1,235,439.08 and 247,385.15 is: 371,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,785.10 : 1,235,439.08 = 247,385.15 : x
  2. Step 2: Convert to fraction form
    823,785.10/1,235,439.08 = 247,385.15/x
  3. Step 3: Cross multiply
    823,785.10x = 1,235,439.08 × 247,385.15
  4. Step 4: Simplify right side
    823,785.10x = 305,629,280,884.74
  5. Step 5: Solve for x
    x = 305,629,280,884.74/823,785.10
  6. Step 6: Final answer
    x = 371,006.08

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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.