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Finding the Fourth Proportional to 650,643.30, 974,543.54 and 270,411.21

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Solution

The fourth proportional to 650,643.30, 974,543.54 and 270,411.21 is: 405,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,643.30 : 974,543.54 = 270,411.21 : x
  2. Step 2: Convert to fraction form
    650,643.30/974,543.54 = 270,411.21/x
  3. Step 3: Cross multiply
    650,643.30x = 974,543.54 × 270,411.21
  4. Step 4: Simplify right side
    650,643.30x = 263,527,496,497.03
  5. Step 5: Solve for x
    x = 263,527,496,497.03/650,643.30
  6. Step 6: Final answer
    x = 405,026.07

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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.