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Finding the Fourth Proportional to 585,221.90, 877,701.32 and 348,631.82

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Solution

The fourth proportional to 585,221.90, 877,701.32 and 348,631.82 is: 522,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,221.90 : 877,701.32 = 348,631.82 : x
  2. Step 2: Convert to fraction form
    585,221.90/877,701.32 = 348,631.82/x
  3. Step 3: Cross multiply
    585,221.90x = 877,701.32 × 348,631.82
  4. Step 4: Simplify right side
    585,221.90x = 305,994,608,608.00
  5. Step 5: Solve for x
    x = 305,994,608,608.00/585,221.90
  6. Step 6: Final answer
    x = 522,869.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.