Home / 448,218.73-618,541.84-247,014.73

Finding the Fourth Proportional to 448,218.73, 618,541.84 and 247,014.73

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Solution

The fourth proportional to 448,218.73, 618,541.84 and 247,014.73 is: 340,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,218.73 : 618,541.84 = 247,014.73 : x
  2. Step 2: Convert to fraction form
    448,218.73/618,541.84 = 247,014.73/x
  3. Step 3: Cross multiply
    448,218.73x = 618,541.84 × 247,014.73
  4. Step 4: Simplify right side
    448,218.73x = 152,788,945,601.30
  5. Step 5: Solve for x
    x = 152,788,945,601.30/448,218.73
  6. Step 6: Final answer
    x = 340,880.32

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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.