Home / 667,666.40-1,001,499.60-268,368.80

Finding the Fourth Proportional to 667,666.40, 1,001,499.60 and 268,368.80

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Solution

The fourth proportional to 667,666.40, 1,001,499.60 and 268,368.80 is: 402,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,666.40 : 1,001,499.60 = 268,368.80 : x
  2. Step 2: Convert to fraction form
    667,666.40/1,001,499.60 = 268,368.80/x
  3. Step 3: Cross multiply
    667,666.40x = 1,001,499.60 × 268,368.80
  4. Step 4: Simplify right side
    667,666.40x = 268,771,245,852.48
  5. Step 5: Solve for x
    x = 268,771,245,852.48/667,666.40
  6. Step 6: Final answer
    x = 402,553.20

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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.