Home / 743,503.20-1,114,627.86-322,461.96

Finding the Fourth Proportional to 743,503.20, 1,114,627.86 and 322,461.96

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Solution

The fourth proportional to 743,503.20, 1,114,627.86 and 322,461.96 is: 483,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,503.20 : 1,114,627.86 = 322,461.96 : x
  2. Step 2: Convert to fraction form
    743,503.20/1,114,627.86 = 322,461.96/x
  3. Step 3: Cross multiply
    743,503.20x = 1,114,627.86 × 322,461.96
  4. Step 4: Simplify right side
    743,503.20x = 359,425,084,406.21
  5. Step 5: Solve for x
    x = 359,425,084,406.21/743,503.20
  6. Step 6: Final answer
    x = 483,421.03

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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.