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Finding the Fourth Proportional to 565,097.48, 779,878.26 and 323,455.88

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Solution

The fourth proportional to 565,097.48, 779,878.26 and 323,455.88 is: 446,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,097.48 : 779,878.26 = 323,455.88 : x
  2. Step 2: Convert to fraction form
    565,097.48/779,878.26 = 323,455.88/x
  3. Step 3: Cross multiply
    565,097.48x = 779,878.26 × 323,455.88
  4. Step 4: Simplify right side
    565,097.48x = 252,256,208,881.17
  5. Step 5: Solve for x
    x = 252,256,208,881.17/565,097.48
  6. Step 6: Final answer
    x = 446,394.15

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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.