Home / 676,743.96-1,014,008.52-409,695.06

Finding the Fourth Proportional to 676,743.96, 1,014,008.52 and 409,695.06

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Solution

The fourth proportional to 676,743.96, 1,014,008.52 and 409,695.06 is: 613,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,743.96 : 1,014,008.52 = 409,695.06 : x
  2. Step 2: Convert to fraction form
    676,743.96/1,014,008.52 = 409,695.06/x
  3. Step 3: Cross multiply
    676,743.96x = 1,014,008.52 × 409,695.06
  4. Step 4: Simplify right side
    676,743.96x = 415,434,281,441.91
  5. Step 5: Solve for x
    x = 415,434,281,441.91/676,743.96
  6. Step 6: Final answer
    x = 613,872.17

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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.