Home / 667,428.60-1,001,045.70-194,064.60

Finding the Fourth Proportional to 667,428.60, 1,001,045.70 and 194,064.60

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Solution

The fourth proportional to 667,428.60, 1,001,045.70 and 194,064.60 is: 291,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,428.60 : 1,001,045.70 = 194,064.60 : x
  2. Step 2: Convert to fraction form
    667,428.60/1,001,045.70 = 194,064.60/x
  3. Step 3: Cross multiply
    667,428.60x = 1,001,045.70 × 194,064.60
  4. Step 4: Simplify right side
    667,428.60x = 194,267,533,352.22
  5. Step 5: Solve for x
    x = 194,267,533,352.22/667,428.60
  6. Step 6: Final answer
    x = 291,068.64

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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.