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Finding the Fourth Proportional to 556,027.92, 767,319.66 and 301,379.28

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Solution

The fourth proportional to 556,027.92, 767,319.66 and 301,379.28 is: 415,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,027.92 : 767,319.66 = 301,379.28 : x
  2. Step 2: Convert to fraction form
    556,027.92/767,319.66 = 301,379.28/x
  3. Step 3: Cross multiply
    556,027.92x = 767,319.66 × 301,379.28
  4. Step 4: Simplify right side
    556,027.92x = 231,254,246,660.65
  5. Step 5: Solve for x
    x = 231,254,246,660.65/556,027.92
  6. Step 6: Final answer
    x = 415,904.02

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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.