Home / 551,235.20-826,415.40-301,917.20

Finding the Fourth Proportional to 551,235.20, 826,415.40 and 301,917.20

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Solution

The fourth proportional to 551,235.20, 826,415.40 and 301,917.20 is: 452,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,235.20 : 826,415.40 = 301,917.20 : x
  2. Step 2: Convert to fraction form
    551,235.20/826,415.40 = 301,917.20/x
  3. Step 3: Cross multiply
    551,235.20x = 826,415.40 × 301,917.20
  4. Step 4: Simplify right side
    551,235.20x = 249,509,023,604.88
  5. Step 5: Solve for x
    x = 249,509,023,604.88/551,235.20
  6. Step 6: Final answer
    x = 452,636.23

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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.