Home / 852,973.72-1,279,372.76-284,293.40

Finding the Fourth Proportional to 852,973.72, 1,279,372.76 and 284,293.40

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Solution

The fourth proportional to 852,973.72, 1,279,372.76 and 284,293.40 is: 426,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,973.72 : 1,279,372.76 = 284,293.40 : x
  2. Step 2: Convert to fraction form
    852,973.72/1,279,372.76 = 284,293.40/x
  3. Step 3: Cross multiply
    852,973.72x = 1,279,372.76 × 284,293.40
  4. Step 4: Simplify right side
    852,973.72x = 363,717,231,807.78
  5. Step 5: Solve for x
    x = 363,717,231,807.78/852,973.72
  6. Step 6: Final answer
    x = 426,410.83

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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.