Home / 739,217.52-1,019,887.32-452,438.64

Finding the Fourth Proportional to 739,217.52, 1,019,887.32 and 452,438.64

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Solution

The fourth proportional to 739,217.52, 1,019,887.32 and 452,438.64 is: 624,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,217.52 : 1,019,887.32 = 452,438.64 : x
  2. Step 2: Convert to fraction form
    739,217.52/1,019,887.32 = 452,438.64/x
  3. Step 3: Cross multiply
    739,217.52x = 1,019,887.32 × 452,438.64
  4. Step 4: Simplify right side
    739,217.52x = 461,436,432,014.05
  5. Step 5: Solve for x
    x = 461,436,432,014.05/739,217.52
  6. Step 6: Final answer
    x = 624,222.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.