Home / 662,556.04-993,999.30-307,821.40

Finding the Fourth Proportional to 662,556.04, 993,999.30 and 307,821.40

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Solution

The fourth proportional to 662,556.04, 993,999.30 and 307,821.40 is: 461,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,556.04 : 993,999.30 = 307,821.40 : x
  2. Step 2: Convert to fraction form
    662,556.04/993,999.30 = 307,821.40/x
  3. Step 3: Cross multiply
    662,556.04x = 993,999.30 × 307,821.40
  4. Step 4: Simplify right side
    662,556.04x = 305,974,256,125.02
  5. Step 5: Solve for x
    x = 305,974,256,125.02/662,556.04
  6. Step 6: Final answer
    x = 461,808.87

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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.