Home / 671,852.56-1,007,772.56-272,398.40

Finding the Fourth Proportional to 671,852.56, 1,007,772.56 and 272,398.40

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Solution

The fourth proportional to 671,852.56, 1,007,772.56 and 272,398.40 is: 408,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,852.56 : 1,007,772.56 = 272,398.40 : x
  2. Step 2: Convert to fraction form
    671,852.56/1,007,772.56 = 272,398.40/x
  3. Step 3: Cross multiply
    671,852.56x = 1,007,772.56 × 272,398.40
  4. Step 4: Simplify right side
    671,852.56x = 274,515,632,907.90
  5. Step 5: Solve for x
    x = 274,515,632,907.90/671,852.56
  6. Step 6: Final answer
    x = 408,595.05

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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.