Home / 968,702.22-1,336,688.73-538,951.86

Finding the Fourth Proportional to 968,702.22, 1,336,688.73 and 538,951.86

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Solution

The fourth proportional to 968,702.22, 1,336,688.73 and 538,951.86 is: 743,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,702.22 : 1,336,688.73 = 538,951.86 : x
  2. Step 2: Convert to fraction form
    968,702.22/1,336,688.73 = 538,951.86/x
  3. Step 3: Cross multiply
    968,702.22x = 1,336,688.73 × 538,951.86
  4. Step 4: Simplify right side
    968,702.22x = 720,410,877,274.54
  5. Step 5: Solve for x
    x = 720,410,877,274.54/968,702.22
  6. Step 6: Final answer
    x = 743,686.62

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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.