Home / 739,856.20-1,021,004.98-417,579.88

Finding the Fourth Proportional to 739,856.20, 1,021,004.98 and 417,579.88

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Solution

The fourth proportional to 739,856.20, 1,021,004.98 and 417,579.88 is: 576,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,856.20 : 1,021,004.98 = 417,579.88 : x
  2. Step 2: Convert to fraction form
    739,856.20/1,021,004.98 = 417,579.88/x
  3. Step 3: Cross multiply
    739,856.20x = 1,021,004.98 × 417,579.88
  4. Step 4: Simplify right side
    739,856.20x = 426,351,137,027.80
  5. Step 5: Solve for x
    x = 426,351,137,027.80/739,856.20
  6. Step 6: Final answer
    x = 576,262.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.