Home / 692,630.40-1,039,042.80-219,266.40

Finding the Fourth Proportional to 692,630.40, 1,039,042.80 and 219,266.40

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Solution

The fourth proportional to 692,630.40, 1,039,042.80 and 219,266.40 is: 328,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,630.40 : 1,039,042.80 = 219,266.40 : x
  2. Step 2: Convert to fraction form
    692,630.40/1,039,042.80 = 219,266.40/x
  3. Step 3: Cross multiply
    692,630.40x = 1,039,042.80 × 219,266.40
  4. Step 4: Simplify right side
    692,630.40x = 227,827,174,201.92
  5. Step 5: Solve for x
    x = 227,827,174,201.92/692,630.40
  6. Step 6: Final answer
    x = 328,930.37

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1.5x scale

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.