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Finding the Fourth Proportional to 614,520.88, 921,822.84 and 294,742.87

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Solution

The fourth proportional to 614,520.88, 921,822.84 and 294,742.87 is: 442,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,520.88 : 921,822.84 = 294,742.87 : x
  2. Step 2: Convert to fraction form
    614,520.88/921,822.84 = 294,742.87/x
  3. Step 3: Cross multiply
    614,520.88x = 921,822.84 × 294,742.87
  4. Step 4: Simplify right side
    614,520.88x = 271,700,707,188.59
  5. Step 5: Solve for x
    x = 271,700,707,188.59/614,520.88
  6. Step 6: Final answer
    x = 442,134.22

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1.5x scale

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.