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Finding the Fourth Proportional to 710,759.43, 980,753.27 and 456,455.07

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Solution

The fourth proportional to 710,759.43, 980,753.27 and 456,455.07 is: 629,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,759.43 : 980,753.27 = 456,455.07 : x
  2. Step 2: Convert to fraction form
    710,759.43/980,753.27 = 456,455.07/x
  3. Step 3: Cross multiply
    710,759.43x = 980,753.27 × 456,455.07
  4. Step 4: Simplify right side
    710,759.43x = 447,669,800,228.30
  5. Step 5: Solve for x
    x = 447,669,800,228.30/710,759.43
  6. Step 6: Final answer
    x = 629,847.15

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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.