Home / 671,208.40-1,006,812.60-272,040.40

Finding the Fourth Proportional to 671,208.40, 1,006,812.60 and 272,040.40

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Solution

The fourth proportional to 671,208.40, 1,006,812.60 and 272,040.40 is: 408,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,208.40 : 1,006,812.60 = 272,040.40 : x
  2. Step 2: Convert to fraction form
    671,208.40/1,006,812.60 = 272,040.40/x
  3. Step 3: Cross multiply
    671,208.40x = 1,006,812.60 × 272,040.40
  4. Step 4: Simplify right side
    671,208.40x = 273,893,702,429.04
  5. Step 5: Solve for x
    x = 273,893,702,429.04/671,208.40
  6. Step 6: Final answer
    x = 408,060.60

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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.