Home / 852,302.46-1,278,232.56-253,122.78

Finding the Fourth Proportional to 852,302.46, 1,278,232.56 and 253,122.78

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Solution

The fourth proportional to 852,302.46, 1,278,232.56 and 253,122.78 is: 379,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,302.46 : 1,278,232.56 = 253,122.78 : x
  2. Step 2: Convert to fraction form
    852,302.46/1,278,232.56 = 253,122.78/x
  3. Step 3: Cross multiply
    852,302.46x = 1,278,232.56 × 253,122.78
  4. Step 4: Simplify right side
    852,302.46x = 323,549,779,073.72
  5. Step 5: Solve for x
    x = 323,549,779,073.72/852,302.46
  6. Step 6: Final answer
    x = 379,618.50

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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.