Home / 786,079.46-1,179,060.86-280,582.76

Finding the Fourth Proportional to 786,079.46, 1,179,060.86 and 280,582.76

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Solution

The fourth proportional to 786,079.46, 1,179,060.86 and 280,582.76 is: 420,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,079.46 : 1,179,060.86 = 280,582.76 : x
  2. Step 2: Convert to fraction form
    786,079.46/1,179,060.86 = 280,582.76/x
  3. Step 3: Cross multiply
    786,079.46x = 1,179,060.86 × 280,582.76
  4. Step 4: Simplify right side
    786,079.46x = 330,824,150,306.77
  5. Step 5: Solve for x
    x = 330,824,150,306.77/786,079.46
  6. Step 6: Final answer
    x = 420,853.32

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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.