Home / 448,829.24-619,384.07-287,684.15

Finding the Fourth Proportional to 448,829.24, 619,384.07 and 287,684.15

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Solution

The fourth proportional to 448,829.24, 619,384.07 and 287,684.15 is: 397,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,829.24 : 619,384.07 = 287,684.15 : x
  2. Step 2: Convert to fraction form
    448,829.24/619,384.07 = 287,684.15/x
  3. Step 3: Cross multiply
    448,829.24x = 619,384.07 × 287,684.15
  4. Step 4: Simplify right side
    448,829.24x = 178,186,977,323.78
  5. Step 5: Solve for x
    x = 178,186,977,323.78/448,829.24
  6. Step 6: Final answer
    x = 397,003.95

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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.