Home / 938,171.45-1,294,677.72-508,451.46

Finding the Fourth Proportional to 938,171.45, 1,294,677.72 and 508,451.46

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Solution

The fourth proportional to 938,171.45, 1,294,677.72 and 508,451.46 is: 701,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,171.45 : 1,294,677.72 = 508,451.46 : x
  2. Step 2: Convert to fraction form
    938,171.45/1,294,677.72 = 508,451.46/x
  3. Step 3: Cross multiply
    938,171.45x = 1,294,677.72 × 508,451.46
  4. Step 4: Simplify right side
    938,171.45x = 658,280,776,963.47
  5. Step 5: Solve for x
    x = 658,280,776,963.47/938,171.45
  6. Step 6: Final answer
    x = 701,663.62

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1.5x scale

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.