Home / 824,687.15-1,137,393.53-580,480.32

Finding the Fourth Proportional to 824,687.15, 1,137,393.53 and 580,480.32

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Solution

The fourth proportional to 824,687.15, 1,137,393.53 and 580,480.32 is: 800,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,687.15 : 1,137,393.53 = 580,480.32 : x
  2. Step 2: Convert to fraction form
    824,687.15/1,137,393.53 = 580,480.32/x
  3. Step 3: Cross multiply
    824,687.15x = 1,137,393.53 × 580,480.32
  4. Step 4: Simplify right side
    824,687.15x = 660,234,558,976.72
  5. Step 5: Solve for x
    x = 660,234,558,976.72/824,687.15
  6. Step 6: Final answer
    x = 800,587.91

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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.