Home / 827,029.48-1,241,031.72-347,341.44

Finding the Fourth Proportional to 827,029.48, 1,241,031.72 and 347,341.44

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Solution

The fourth proportional to 827,029.48, 1,241,031.72 and 347,341.44 is: 521,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,029.48 : 1,241,031.72 = 347,341.44 : x
  2. Step 2: Convert to fraction form
    827,029.48/1,241,031.72 = 347,341.44/x
  3. Step 3: Cross multiply
    827,029.48x = 1,241,031.72 × 347,341.44
  4. Step 4: Simplify right side
    827,029.48x = 431,061,744,710.48
  5. Step 5: Solve for x
    x = 431,061,744,710.48/827,029.48
  6. Step 6: Final answer
    x = 521,216.90

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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.