Home / 827,363.72-1,239,897.36-376,983.92

Finding the Fourth Proportional to 827,363.72, 1,239,897.36 and 376,983.92

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Solution

The fourth proportional to 827,363.72, 1,239,897.36 and 376,983.92 is: 564,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,363.72 : 1,239,897.36 = 376,983.92 : x
  2. Step 2: Convert to fraction form
    827,363.72/1,239,897.36 = 376,983.92/x
  3. Step 3: Cross multiply
    827,363.72x = 1,239,897.36 × 376,983.92
  4. Step 4: Simplify right side
    827,363.72x = 467,421,367,170.45
  5. Step 5: Solve for x
    x = 467,421,367,170.45/827,363.72
  6. Step 6: Final answer
    x = 564,952.70

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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.