Home / 848,444.70-1,272,396.33-279,719.70

Finding the Fourth Proportional to 848,444.70, 1,272,396.33 and 279,719.70

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Solution

The fourth proportional to 848,444.70, 1,272,396.33 and 279,719.70 is: 419,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,444.70 : 1,272,396.33 = 279,719.70 : x
  2. Step 2: Convert to fraction form
    848,444.70/1,272,396.33 = 279,719.70/x
  3. Step 3: Cross multiply
    848,444.70x = 1,272,396.33 × 279,719.70
  4. Step 4: Simplify right side
    848,444.70x = 355,914,319,708.70
  5. Step 5: Solve for x
    x = 355,914,319,708.70/848,444.70
  6. Step 6: Final answer
    x = 419,490.30

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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.