Home / 692,962.47-1,039,480.96-219,684.73

Finding the Fourth Proportional to 692,962.47, 1,039,480.96 and 219,684.73

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Solution

The fourth proportional to 692,962.47, 1,039,480.96 and 219,684.73 is: 329,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,962.47 : 1,039,480.96 = 219,684.73 : x
  2. Step 2: Convert to fraction form
    692,962.47/1,039,480.96 = 219,684.73/x
  3. Step 3: Cross multiply
    692,962.47x = 1,039,480.96 × 219,684.73
  4. Step 4: Simplify right side
    692,962.47x = 228,358,094,037.74
  5. Step 5: Solve for x
    x = 228,358,094,037.74/692,962.47
  6. Step 6: Final answer
    x = 329,538.91

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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.