Home / 745,527.26-1,118,329.79-213,128.84

Finding the Fourth Proportional to 745,527.26, 1,118,329.79 and 213,128.84

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Solution

The fourth proportional to 745,527.26, 1,118,329.79 and 213,128.84 is: 319,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,527.26 : 1,118,329.79 = 213,128.84 : x
  2. Step 2: Convert to fraction form
    745,527.26/1,118,329.79 = 213,128.84/x
  3. Step 3: Cross multiply
    745,527.26x = 1,118,329.79 × 213,128.84
  4. Step 4: Simplify right side
    745,527.26x = 238,348,332,610.32
  5. Step 5: Solve for x
    x = 238,348,332,610.32/745,527.26
  6. Step 6: Final answer
    x = 319,704.38

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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.