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Finding the Fourth Proportional to 483,386.40, 667,058.76 and 265,594.68

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Solution

The fourth proportional to 483,386.40, 667,058.76 and 265,594.68 is: 366,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,386.40 : 667,058.76 = 265,594.68 : x
  2. Step 2: Convert to fraction form
    483,386.40/667,058.76 = 265,594.68/x
  3. Step 3: Cross multiply
    483,386.40x = 667,058.76 × 265,594.68
  4. Step 4: Simplify right side
    483,386.40x = 177,167,257,903.40
  5. Step 5: Solve for x
    x = 177,167,257,903.40/483,386.40
  6. Step 6: Final answer
    x = 366,512.71

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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.