Home / 450,731.74-621,986.16-246,743.57

Finding the Fourth Proportional to 450,731.74, 621,986.16 and 246,743.57

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Solution

The fourth proportional to 450,731.74, 621,986.16 and 246,743.57 is: 340,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,731.74 : 621,986.16 = 246,743.57 : x
  2. Step 2: Convert to fraction form
    450,731.74/621,986.16 = 246,743.57/x
  3. Step 3: Cross multiply
    450,731.74x = 621,986.16 × 246,743.57
  4. Step 4: Simplify right side
    450,731.74x = 153,471,085,608.99
  5. Step 5: Solve for x
    x = 153,471,085,608.99/450,731.74
  6. Step 6: Final answer
    x = 340,493.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.