Home / 827,027.61-1,241,028.89-347,339.58

Finding the Fourth Proportional to 827,027.61, 1,241,028.89 and 347,339.58

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Solution

The fourth proportional to 827,027.61, 1,241,028.89 and 347,339.58 is: 521,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,027.61 : 1,241,028.89 = 347,339.58 : x
  2. Step 2: Convert to fraction form
    827,027.61/1,241,028.89 = 347,339.58/x
  3. Step 3: Cross multiply
    827,027.61x = 1,241,028.89 × 347,339.58
  4. Step 4: Simplify right side
    827,027.61x = 431,058,453,420.47
  5. Step 5: Solve for x
    x = 431,058,453,420.47/827,027.61
  6. Step 6: Final answer
    x = 521,214.10

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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.