Home / 854,982.80-1,281,826.20-434,560.40

Finding the Fourth Proportional to 854,982.80, 1,281,826.20 and 434,560.40

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Solution

The fourth proportional to 854,982.80, 1,281,826.20 and 434,560.40 is: 651,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,982.80 : 1,281,826.20 = 434,560.40 : x
  2. Step 2: Convert to fraction form
    854,982.80/1,281,826.20 = 434,560.40/x
  3. Step 3: Cross multiply
    854,982.80x = 1,281,826.20 × 434,560.40
  4. Step 4: Simplify right side
    854,982.80x = 557,030,906,202.48
  5. Step 5: Solve for x
    x = 557,030,906,202.48/854,982.80
  6. Step 6: Final answer
    x = 651,511.24

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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.