Home / 761,582.76-1,142,546.52-256,129.83

Finding the Fourth Proportional to 761,582.76, 1,142,546.52 and 256,129.83

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Solution

The fourth proportional to 761,582.76, 1,142,546.52 and 256,129.83 is: 384,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,582.76 : 1,142,546.52 = 256,129.83 : x
  2. Step 2: Convert to fraction form
    761,582.76/1,142,546.52 = 256,129.83/x
  3. Step 3: Cross multiply
    761,582.76x = 1,142,546.52 × 256,129.83
  4. Step 4: Simplify right side
    761,582.76x = 292,640,245,934.69
  5. Step 5: Solve for x
    x = 292,640,245,934.69/761,582.76
  6. Step 6: Final answer
    x = 384,252.72

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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.