Home / 709,243.58-1,063,751.14-203,689.57

Finding the Fourth Proportional to 709,243.58, 1,063,751.14 and 203,689.57

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Solution

The fourth proportional to 709,243.58, 1,063,751.14 and 203,689.57 is: 305,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,243.58 : 1,063,751.14 = 203,689.57 : x
  2. Step 2: Convert to fraction form
    709,243.58/1,063,751.14 = 203,689.57/x
  3. Step 3: Cross multiply
    709,243.58x = 1,063,751.14 × 203,689.57
  4. Step 4: Simplify right side
    709,243.58x = 216,675,012,293.61
  5. Step 5: Solve for x
    x = 216,675,012,293.61/709,243.58
  6. Step 6: Final answer
    x = 305,501.55

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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.