Home / 668,001.80-1,002,002.70-456,494.60

Finding the Fourth Proportional to 668,001.80, 1,002,002.70 and 456,494.60

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Solution

The fourth proportional to 668,001.80, 1,002,002.70 and 456,494.60 is: 684,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,001.80 : 1,002,002.70 = 456,494.60 : x
  2. Step 2: Convert to fraction form
    668,001.80/1,002,002.70 = 456,494.60/x
  3. Step 3: Cross multiply
    668,001.80x = 1,002,002.70 × 456,494.60
  4. Step 4: Simplify right side
    668,001.80x = 457,408,821,735.42
  5. Step 5: Solve for x
    x = 457,408,821,735.42/668,001.80
  6. Step 6: Final answer
    x = 684,741.90

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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.