Home / 692,930.36-1,039,493.96-213,197.91

Finding the Fourth Proportional to 692,930.36, 1,039,493.96 and 213,197.91

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Solution

The fourth proportional to 692,930.36, 1,039,493.96 and 213,197.91 is: 319,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,930.36 : 1,039,493.96 = 213,197.91 : x
  2. Step 2: Convert to fraction form
    692,930.36/1,039,493.96 = 213,197.91/x
  3. Step 3: Cross multiply
    692,930.36x = 1,039,493.96 × 213,197.91
  4. Step 4: Simplify right side
    692,930.36x = 221,617,935,565.02
  5. Step 5: Solve for x
    x = 221,617,935,565.02/692,930.36
  6. Step 6: Final answer
    x = 319,827.14

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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.