Home / 679,565.95-1,019,354.96-206,251.22

Finding the Fourth Proportional to 679,565.95, 1,019,354.96 and 206,251.22

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Solution

The fourth proportional to 679,565.95, 1,019,354.96 and 206,251.22 is: 309,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,565.95 : 1,019,354.96 = 206,251.22 : x
  2. Step 2: Convert to fraction form
    679,565.95/1,019,354.96 = 206,251.22/x
  3. Step 3: Cross multiply
    679,565.95x = 1,019,354.96 × 206,251.22
  4. Step 4: Simplify right side
    679,565.95x = 210,243,207,177.07
  5. Step 5: Solve for x
    x = 210,243,207,177.07/679,565.95
  6. Step 6: Final answer
    x = 309,378.67

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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.