Home / 842,311.90-1,262,876.08-295,070.43

Finding the Fourth Proportional to 842,311.90, 1,262,876.08 and 295,070.43

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Solution

The fourth proportional to 842,311.90, 1,262,876.08 and 295,070.43 is: 442,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,311.90 : 1,262,876.08 = 295,070.43 : x
  2. Step 2: Convert to fraction form
    842,311.90/1,262,876.08 = 295,070.43/x
  3. Step 3: Cross multiply
    842,311.90x = 1,262,876.08 × 295,070.43
  4. Step 4: Simplify right side
    842,311.90x = 372,637,387,962.31
  5. Step 5: Solve for x
    x = 372,637,387,962.31/842,311.90
  6. Step 6: Final answer
    x = 442,398.34

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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.