Home / 784,399.82-1,176,444.79-215,634.16

Finding the Fourth Proportional to 784,399.82, 1,176,444.79 and 215,634.16

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Solution

The fourth proportional to 784,399.82, 1,176,444.79 and 215,634.16 is: 323,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,399.82 : 1,176,444.79 = 215,634.16 : x
  2. Step 2: Convert to fraction form
    784,399.82/1,176,444.79 = 215,634.16/x
  3. Step 3: Cross multiply
    784,399.82x = 1,176,444.79 × 215,634.16
  4. Step 4: Simplify right side
    784,399.82x = 253,681,677,117.63
  5. Step 5: Solve for x
    x = 253,681,677,117.63/784,399.82
  6. Step 6: Final answer
    x = 323,408.64

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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.