Home / 448,981.88-619,609.48-255,384.60

Finding the Fourth Proportional to 448,981.88, 619,609.48 and 255,384.60

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Solution

The fourth proportional to 448,981.88, 619,609.48 and 255,384.60 is: 352,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,981.88 : 619,609.48 = 255,384.60 : x
  2. Step 2: Convert to fraction form
    448,981.88/619,609.48 = 255,384.60/x
  3. Step 3: Cross multiply
    448,981.88x = 619,609.48 × 255,384.60
  4. Step 4: Simplify right side
    448,981.88x = 158,238,719,206.01
  5. Step 5: Solve for x
    x = 158,238,719,206.01/448,981.88
  6. Step 6: Final answer
    x = 352,438.99

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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.