Home / 704,705.60-1,057,058.40-261,646.40

Finding the Fourth Proportional to 704,705.60, 1,057,058.40 and 261,646.40

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Solution

The fourth proportional to 704,705.60, 1,057,058.40 and 261,646.40 is: 392,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,705.60 : 1,057,058.40 = 261,646.40 : x
  2. Step 2: Convert to fraction form
    704,705.60/1,057,058.40 = 261,646.40/x
  3. Step 3: Cross multiply
    704,705.60x = 1,057,058.40 × 261,646.40
  4. Step 4: Simplify right side
    704,705.60x = 276,575,524,949.76
  5. Step 5: Solve for x
    x = 276,575,524,949.76/704,705.60
  6. Step 6: Final answer
    x = 392,469.60

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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.