Home / 802,426.86-1,107,462.36-496,601.76

Finding the Fourth Proportional to 802,426.86, 1,107,462.36 and 496,601.76

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Solution

The fourth proportional to 802,426.86, 1,107,462.36 and 496,601.76 is: 685,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,426.86 : 1,107,462.36 = 496,601.76 : x
  2. Step 2: Convert to fraction form
    802,426.86/1,107,462.36 = 496,601.76/x
  3. Step 3: Cross multiply
    802,426.86x = 1,107,462.36 × 496,601.76
  4. Step 4: Simplify right side
    802,426.86x = 549,967,757,109.75
  5. Step 5: Solve for x
    x = 549,967,757,109.75/802,426.86
  6. Step 6: Final answer
    x = 685,380.54

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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.