Home / 671,655.45-1,007,480.90-272,295.28

Finding the Fourth Proportional to 671,655.45, 1,007,480.90 and 272,295.28

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Solution

The fourth proportional to 671,655.45, 1,007,480.90 and 272,295.28 is: 408,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,655.45 : 1,007,480.90 = 272,295.28 : x
  2. Step 2: Convert to fraction form
    671,655.45/1,007,480.90 = 272,295.28/x
  3. Step 3: Cross multiply
    671,655.45x = 1,007,480.90 × 272,295.28
  4. Step 4: Simplify right side
    671,655.45x = 274,332,295,700.24
  5. Step 5: Solve for x
    x = 274,332,295,700.24/671,655.45
  6. Step 6: Final answer
    x = 408,442.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.