Home / 448,584.48-619,025.76-257,463.36

Finding the Fourth Proportional to 448,584.48, 619,025.76 and 257,463.36

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Solution

The fourth proportional to 448,584.48, 619,025.76 and 257,463.36 is: 355,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,584.48 : 619,025.76 = 257,463.36 : x
  2. Step 2: Convert to fraction form
    448,584.48/619,025.76 = 257,463.36/x
  3. Step 3: Cross multiply
    448,584.48x = 619,025.76 × 257,463.36
  4. Step 4: Simplify right side
    448,584.48x = 159,376,452,096.15
  5. Step 5: Solve for x
    x = 159,376,452,096.15/448,584.48
  6. Step 6: Final answer
    x = 355,287.49

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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.