Home / 675,140.87-1,012,399.62-248,569.55

Finding the Fourth Proportional to 675,140.87, 1,012,399.62 and 248,569.55

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Solution

The fourth proportional to 675,140.87, 1,012,399.62 and 248,569.55 is: 372,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,140.87 : 1,012,399.62 = 248,569.55 : x
  2. Step 2: Convert to fraction form
    675,140.87/1,012,399.62 = 248,569.55/x
  3. Step 3: Cross multiply
    675,140.87x = 1,012,399.62 × 248,569.55
  4. Step 4: Simplify right side
    675,140.87x = 251,651,712,901.57
  5. Step 5: Solve for x
    x = 251,651,712,901.57/675,140.87
  6. Step 6: Final answer
    x = 372,739.57

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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.