Home / 920,288.64-1,269,803.10-580,560

Finding the Fourth Proportional to 920,288.64, 1,269,803.10 and 580,560

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Solution

The fourth proportional to 920,288.64, 1,269,803.10 and 580,560 is: 801,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,288.64 : 1,269,803.10 = 580,560 : x
  2. Step 2: Convert to fraction form
    920,288.64/1,269,803.10 = 580,560/x
  3. Step 3: Cross multiply
    920,288.64x = 1,269,803.10 × 580,560
  4. Step 4: Simplify right side
    920,288.64x = 737,196,887,736
  5. Step 5: Solve for x
    x = 737,196,887,736/920,288.64
  6. Step 6: Final answer
    x = 801,049.64

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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.