Home / 827,358.30-1,239,889.26-376,978.50

Finding the Fourth Proportional to 827,358.30, 1,239,889.26 and 376,978.50

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Solution

The fourth proportional to 827,358.30, 1,239,889.26 and 376,978.50 is: 564,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,358.30 : 1,239,889.26 = 376,978.50 : x
  2. Step 2: Convert to fraction form
    827,358.30/1,239,889.26 = 376,978.50/x
  3. Step 3: Cross multiply
    827,358.30x = 1,239,889.26 × 376,978.50
  4. Step 4: Simplify right side
    827,358.30x = 467,411,593,400.91
  5. Step 5: Solve for x
    x = 467,411,593,400.91/827,358.30
  6. Step 6: Final answer
    x = 564,944.59

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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.