Home / 848,121.40-1,272,765.30-349,485.40

Finding the Fourth Proportional to 848,121.40, 1,272,765.30 and 349,485.40

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Solution

The fourth proportional to 848,121.40, 1,272,765.30 and 349,485.40 is: 524,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,121.40 : 1,272,765.30 = 349,485.40 : x
  2. Step 2: Convert to fraction form
    848,121.40/1,272,765.30 = 349,485.40/x
  3. Step 3: Cross multiply
    848,121.40x = 1,272,765.30 × 349,485.40
  4. Step 4: Simplify right side
    848,121.40x = 444,812,889,976.62
  5. Step 5: Solve for x
    x = 444,812,889,976.62/848,121.40
  6. Step 6: Final answer
    x = 524,468.42

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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.