Home / 848,732.18-1,273,255.65-280,152.86

Finding the Fourth Proportional to 848,732.18, 1,273,255.65 and 280,152.86

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Solution

The fourth proportional to 848,732.18, 1,273,255.65 and 280,152.86 is: 420,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,732.18 : 1,273,255.65 = 280,152.86 : x
  2. Step 2: Convert to fraction form
    848,732.18/1,273,255.65 = 280,152.86/x
  3. Step 3: Cross multiply
    848,732.18x = 1,273,255.65 × 280,152.86
  4. Step 4: Simplify right side
    848,732.18x = 356,706,205,492.38
  5. Step 5: Solve for x
    x = 356,706,205,492.38/848,732.18
  6. Step 6: Final answer
    x = 420,281.23

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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.