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Finding the Fourth Proportional to 581,488.66, 802,455.02 and 323,360.09

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Solution

The fourth proportional to 581,488.66, 802,455.02 and 323,360.09 is: 446,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,488.66 : 802,455.02 = 323,360.09 : x
  2. Step 2: Convert to fraction form
    581,488.66/802,455.02 = 323,360.09/x
  3. Step 3: Cross multiply
    581,488.66x = 802,455.02 × 323,360.09
  4. Step 4: Simplify right side
    581,488.66x = 259,481,927,488.15
  5. Step 5: Solve for x
    x = 259,481,927,488.15/581,488.66
  6. Step 6: Final answer
    x = 446,237.30

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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.