Home / 450,972.39-622,351.90-257,376.24

Finding the Fourth Proportional to 450,972.39, 622,351.90 and 257,376.24

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Solution

The fourth proportional to 450,972.39, 622,351.90 and 257,376.24 is: 355,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,972.39 : 622,351.90 = 257,376.24 : x
  2. Step 2: Convert to fraction form
    450,972.39/622,351.90 = 257,376.24/x
  3. Step 3: Cross multiply
    450,972.39x = 622,351.90 × 257,376.24
  4. Step 4: Simplify right side
    450,972.39x = 160,178,592,150.02
  5. Step 5: Solve for x
    x = 160,178,592,150.02/450,972.39
  6. Step 6: Final answer
    x = 355,184.92

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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.