Home / 745,011.94-1,117,684.49-271,697.30

Finding the Fourth Proportional to 745,011.94, 1,117,684.49 and 271,697.30

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Solution

The fourth proportional to 745,011.94, 1,117,684.49 and 271,697.30 is: 407,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,011.94 : 1,117,684.49 = 271,697.30 : x
  2. Step 2: Convert to fraction form
    745,011.94/1,117,684.49 = 271,697.30/x
  3. Step 3: Cross multiply
    745,011.94x = 1,117,684.49 × 271,697.30
  4. Step 4: Simplify right side
    745,011.94x = 303,671,857,467.02
  5. Step 5: Solve for x
    x = 303,671,857,467.02/745,011.94
  6. Step 6: Final answer
    x = 407,606.70

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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.