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Finding the Fourth Proportional to 650,262.76, 897,348.31 and 355,911.01

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Solution

The fourth proportional to 650,262.76, 897,348.31 and 355,911.01 is: 491,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,262.76 : 897,348.31 = 355,911.01 : x
  2. Step 2: Convert to fraction form
    650,262.76/897,348.31 = 355,911.01/x
  3. Step 3: Cross multiply
    650,262.76x = 897,348.31 × 355,911.01
  4. Step 4: Simplify right side
    650,262.76x = 319,376,146,749.83
  5. Step 5: Solve for x
    x = 319,376,146,749.83/650,262.76
  6. Step 6: Final answer
    x = 491,149.37

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1.5x scale

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.