Home / 692,996.60-1,039,407.30-219,686.60

Finding the Fourth Proportional to 692,996.60, 1,039,407.30 and 219,686.60

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Solution

The fourth proportional to 692,996.60, 1,039,407.30 and 219,686.60 is: 329,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,996.60 : 1,039,407.30 = 219,686.60 : x
  2. Step 2: Convert to fraction form
    692,996.60/1,039,407.30 = 219,686.60/x
  3. Step 3: Cross multiply
    692,996.60x = 1,039,407.30 × 219,686.60
  4. Step 4: Simplify right side
    692,996.60x = 228,343,855,752.18
  5. Step 5: Solve for x
    x = 228,343,855,752.18/692,996.60
  6. Step 6: Final answer
    x = 329,502.13

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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.