Home / 909,670.92-1,255,354.62-501,789.95

Finding the Fourth Proportional to 909,670.92, 1,255,354.62 and 501,789.95

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Solution

The fourth proportional to 909,670.92, 1,255,354.62 and 501,789.95 is: 692,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,670.92 : 1,255,354.62 = 501,789.95 : x
  2. Step 2: Convert to fraction form
    909,670.92/1,255,354.62 = 501,789.95/x
  3. Step 3: Cross multiply
    909,670.92x = 1,255,354.62 × 501,789.95
  4. Step 4: Simplify right side
    909,670.92x = 629,924,332,002.07
  5. Step 5: Solve for x
    x = 629,924,332,002.07/909,670.92
  6. Step 6: Final answer
    x = 692,474.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.