Home / 683,999.98-1,026,110.22-210,685.12

Finding the Fourth Proportional to 683,999.98, 1,026,110.22 and 210,685.12

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Solution

The fourth proportional to 683,999.98, 1,026,110.22 and 210,685.12 is: 316,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,999.98 : 1,026,110.22 = 210,685.12 : x
  2. Step 2: Convert to fraction form
    683,999.98/1,026,110.22 = 210,685.12/x
  3. Step 3: Cross multiply
    683,999.98x = 1,026,110.22 × 210,685.12
  4. Step 4: Simplify right side
    683,999.98x = 216,186,154,833.93
  5. Step 5: Solve for x
    x = 216,186,154,833.93/683,999.98
  6. Step 6: Final answer
    x = 316,061.64

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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.