Home / 680,059.72-1,019,423.94-253,282.24

Finding the Fourth Proportional to 680,059.72, 1,019,423.94 and 253,282.24

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Solution

The fourth proportional to 680,059.72, 1,019,423.94 and 253,282.24 is: 379,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,059.72 : 1,019,423.94 = 253,282.24 : x
  2. Step 2: Convert to fraction form
    680,059.72/1,019,423.94 = 253,282.24/x
  3. Step 3: Cross multiply
    680,059.72x = 1,019,423.94 × 253,282.24
  4. Step 4: Simplify right side
    680,059.72x = 258,201,979,032.83
  5. Step 5: Solve for x
    x = 258,201,979,032.83/680,059.72
  6. Step 6: Final answer
    x = 379,675.45

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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.