Home / 680,847.24-1,021,417.66-339,476.80

Finding the Fourth Proportional to 680,847.24, 1,021,417.66 and 339,476.80

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Solution

The fourth proportional to 680,847.24, 1,021,417.66 and 339,476.80 is: 509,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,847.24 : 1,021,417.66 = 339,476.80 : x
  2. Step 2: Convert to fraction form
    680,847.24/1,021,417.66 = 339,476.80/x
  3. Step 3: Cross multiply
    680,847.24x = 1,021,417.66 × 339,476.80
  4. Step 4: Simplify right side
    680,847.24x = 346,747,598,680.29
  5. Step 5: Solve for x
    x = 346,747,598,680.29/680,847.24
  6. Step 6: Final answer
    x = 509,288.40

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1.5x scale

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.