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Finding the Fourth Proportional to 559,863.33, 772,588.41 and 314,841.09

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Solution

The fourth proportional to 559,863.33, 772,588.41 and 314,841.09 is: 434,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,863.33 : 772,588.41 = 314,841.09 : x
  2. Step 2: Convert to fraction form
    559,863.33/772,588.41 = 314,841.09/x
  3. Step 3: Cross multiply
    559,863.33x = 772,588.41 × 314,841.09
  4. Step 4: Simplify right side
    559,863.33x = 243,242,577,125.77
  5. Step 5: Solve for x
    x = 243,242,577,125.77/559,863.33
  6. Step 6: Final answer
    x = 434,467.78

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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.