Home / 848,579.76-1,273,026.20-280,000.15

Finding the Fourth Proportional to 848,579.76, 1,273,026.20 and 280,000.15

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Solution

The fourth proportional to 848,579.76, 1,273,026.20 and 280,000.15 is: 420,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,579.76 : 1,273,026.20 = 280,000.15 : x
  2. Step 2: Convert to fraction form
    848,579.76/1,273,026.20 = 280,000.15/x
  3. Step 3: Cross multiply
    848,579.76x = 1,273,026.20 × 280,000.15
  4. Step 4: Simplify right side
    848,579.76x = 356,447,526,953.93
  5. Step 5: Solve for x
    x = 356,447,526,953.93/848,579.76
  6. Step 6: Final answer
    x = 420,051.88

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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.