Home / 683,970.92-1,026,066.66-210,656.12

Finding the Fourth Proportional to 683,970.92, 1,026,066.66 and 210,656.12

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Solution

The fourth proportional to 683,970.92, 1,026,066.66 and 210,656.12 is: 316,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,970.92 : 1,026,066.66 = 210,656.12 : x
  2. Step 2: Convert to fraction form
    683,970.92/1,026,066.66 = 210,656.12/x
  3. Step 3: Cross multiply
    683,970.92x = 1,026,066.66 × 210,656.12
  4. Step 4: Simplify right side
    683,970.92x = 216,147,221,456.96
  5. Step 5: Solve for x
    x = 216,147,221,456.96/683,970.92
  6. Step 6: Final answer
    x = 316,018.15

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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.