Home / 448,947.60-619,543.80-245,002.56

Finding the Fourth Proportional to 448,947.60, 619,543.80 and 245,002.56

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Solution

The fourth proportional to 448,947.60, 619,543.80 and 245,002.56 is: 338,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,947.60 : 619,543.80 = 245,002.56 : x
  2. Step 2: Convert to fraction form
    448,947.60/619,543.80 = 245,002.56/x
  3. Step 3: Cross multiply
    448,947.60x = 619,543.80 × 245,002.56
  4. Step 4: Simplify right side
    448,947.60x = 151,789,817,032.13
  5. Step 5: Solve for x
    x = 151,789,817,032.13/448,947.60
  6. Step 6: Final answer
    x = 338,101.41

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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.