Home / 683,995.98-1,026,104.22-210,681.12

Finding the Fourth Proportional to 683,995.98, 1,026,104.22 and 210,681.12

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Solution

The fourth proportional to 683,995.98, 1,026,104.22 and 210,681.12 is: 316,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,995.98 : 1,026,104.22 = 210,681.12 : x
  2. Step 2: Convert to fraction form
    683,995.98/1,026,104.22 = 210,681.12/x
  3. Step 3: Cross multiply
    683,995.98x = 1,026,104.22 × 210,681.12
  4. Step 4: Simplify right side
    683,995.98x = 216,180,786,306.33
  5. Step 5: Solve for x
    x = 216,180,786,306.33/683,995.98
  6. Step 6: Final answer
    x = 316,055.64

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Double scale
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Similar ratio
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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.