Home / 745,006.36-1,117,520.25-212,527.45

Finding the Fourth Proportional to 745,006.36, 1,117,520.25 and 212,527.45

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Solution

The fourth proportional to 745,006.36, 1,117,520.25 and 212,527.45 is: 318,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,006.36 : 1,117,520.25 = 212,527.45 : x
  2. Step 2: Convert to fraction form
    745,006.36/1,117,520.25 = 212,527.45/x
  3. Step 3: Cross multiply
    745,006.36x = 1,117,520.25 × 212,527.45
  4. Step 4: Simplify right side
    745,006.36x = 237,503,723,369.73
  5. Step 5: Solve for x
    x = 237,503,723,369.73/745,006.36
  6. Step 6: Final answer
    x = 318,794.22

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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.