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Finding the Fourth Proportional to 473,005.80, 709,508.70 and 140,581.80

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Solution

The fourth proportional to 473,005.80, 709,508.70 and 140,581.80 is: 210,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,005.80 : 709,508.70 = 140,581.80 : x
  2. Step 2: Convert to fraction form
    473,005.80/709,508.70 = 140,581.80/x
  3. Step 3: Cross multiply
    473,005.80x = 709,508.70 × 140,581.80
  4. Step 4: Simplify right side
    473,005.80x = 99,744,010,161.66
  5. Step 5: Solve for x
    x = 99,744,010,161.66/473,005.80
  6. Step 6: Final answer
    x = 210,872.70

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