Home / 855,321.48-1,180,380.72-473,348.40

Finding the Fourth Proportional to 855,321.48, 1,180,380.72 and 473,348.40

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Solution

The fourth proportional to 855,321.48, 1,180,380.72 and 473,348.40 is: 653,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,321.48 : 1,180,380.72 = 473,348.40 : x
  2. Step 2: Convert to fraction form
    855,321.48/1,180,380.72 = 473,348.40/x
  3. Step 3: Cross multiply
    855,321.48x = 1,180,380.72 × 473,348.40
  4. Step 4: Simplify right side
    855,321.48x = 558,731,325,202.85
  5. Step 5: Solve for x
    x = 558,731,325,202.85/855,321.48
  6. Step 6: Final answer
    x = 653,241.31

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1.5x scale

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.