Home / 496,943.76-685,779.48-270,588.72

Finding the Fourth Proportional to 496,943.76, 685,779.48 and 270,588.72

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Solution

The fourth proportional to 496,943.76, 685,779.48 and 270,588.72 is: 373,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,943.76 : 685,779.48 = 270,588.72 : x
  2. Step 2: Convert to fraction form
    496,943.76/685,779.48 = 270,588.72/x
  3. Step 3: Cross multiply
    496,943.76x = 685,779.48 × 270,588.72
  4. Step 4: Simplify right side
    496,943.76x = 185,564,191,695.47
  5. Step 5: Solve for x
    x = 185,564,191,695.47/496,943.76
  6. Step 6: Final answer
    x = 373,410.85

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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.