Home / 816,987.40-1,225,481.10-607,035.40

Finding the Fourth Proportional to 816,987.40, 1,225,481.10 and 607,035.40

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Solution

The fourth proportional to 816,987.40, 1,225,481.10 and 607,035.40 is: 910,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,987.40 : 1,225,481.10 = 607,035.40 : x
  2. Step 2: Convert to fraction form
    816,987.40/1,225,481.10 = 607,035.40/x
  3. Step 3: Cross multiply
    816,987.40x = 1,225,481.10 × 607,035.40
  4. Step 4: Simplify right side
    816,987.40x = 743,910,409,730.94
  5. Step 5: Solve for x
    x = 743,910,409,730.94/816,987.40
  6. Step 6: Final answer
    x = 910,553.10

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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.