Home / 851,709.90-1,277,564.85-725,058.30

Finding the Fourth Proportional to 851,709.90, 1,277,564.85 and 725,058.30

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Solution

The fourth proportional to 851,709.90, 1,277,564.85 and 725,058.30 is: 1,087,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,709.90 : 1,277,564.85 = 725,058.30 : x
  2. Step 2: Convert to fraction form
    851,709.90/1,277,564.85 = 725,058.30/x
  3. Step 3: Cross multiply
    851,709.90x = 1,277,564.85 × 725,058.30
  4. Step 4: Simplify right side
    851,709.90x = 926,308,998,280.76
  5. Step 5: Solve for x
    x = 926,308,998,280.76/851,709.90
  6. Step 6: Final answer
    x = 1,087,587.45

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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.