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Finding the Fourth Proportional to 448,060.71, 618,323.44 and 246,856.71

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Solution

The fourth proportional to 448,060.71, 618,323.44 and 246,856.71 is: 340,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,060.71 : 618,323.44 = 246,856.71 : x
  2. Step 2: Convert to fraction form
    448,060.71/618,323.44 = 246,856.71/x
  3. Step 3: Cross multiply
    448,060.71x = 618,323.44 × 246,856.71
  4. Step 4: Simplify right side
    448,060.71x = 152,637,290,114.28
  5. Step 5: Solve for x
    x = 152,637,290,114.28/448,060.71
  6. Step 6: Final answer
    x = 340,662.07

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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.