Home / 840,579.50-1,159,190.52-565,556.96

Finding the Fourth Proportional to 840,579.50, 1,159,190.52 and 565,556.96

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Solution

The fourth proportional to 840,579.50, 1,159,190.52 and 565,556.96 is: 779,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,579.50 : 1,159,190.52 = 565,556.96 : x
  2. Step 2: Convert to fraction form
    840,579.50/1,159,190.52 = 565,556.96/x
  3. Step 3: Cross multiply
    840,579.50x = 1,159,190.52 × 565,556.96
  4. Step 4: Simplify right side
    840,579.50x = 655,588,266,552.02
  5. Step 5: Solve for x
    x = 655,588,266,552.02/840,579.50
  6. Step 6: Final answer
    x = 779,924.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.