Home / 692,686.20-1,039,175.10-293,121.30

Finding the Fourth Proportional to 692,686.20, 1,039,175.10 and 293,121.30

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Solution

The fourth proportional to 692,686.20, 1,039,175.10 and 293,121.30 is: 439,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,686.20 : 1,039,175.10 = 293,121.30 : x
  2. Step 2: Convert to fraction form
    692,686.20/1,039,175.10 = 293,121.30/x
  3. Step 3: Cross multiply
    692,686.20x = 1,039,175.10 × 293,121.30
  4. Step 4: Simplify right side
    692,686.20x = 304,604,356,239.63
  5. Step 5: Solve for x
    x = 304,604,356,239.63/692,686.20
  6. Step 6: Final answer
    x = 439,743.65

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Double scale
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Similar ratio
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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.