Home / 721,553.60-1,084,954.80-705,807.20

Finding the Fourth Proportional to 721,553.60, 1,084,954.80 and 705,807.20

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Solution

The fourth proportional to 721,553.60, 1,084,954.80 and 705,807.20 is: 1,061,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,553.60 : 1,084,954.80 = 705,807.20 : x
  2. Step 2: Convert to fraction form
    721,553.60/1,084,954.80 = 705,807.20/x
  3. Step 3: Cross multiply
    721,553.60x = 1,084,954.80 × 705,807.20
  4. Step 4: Simplify right side
    721,553.60x = 765,768,909,514.56
  5. Step 5: Solve for x
    x = 765,768,909,514.56/721,553.60
  6. Step 6: Final answer
    x = 1,061,277.93

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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.