Home / 761,339.52-1,142,114.16-255,939.72

Finding the Fourth Proportional to 761,339.52, 1,142,114.16 and 255,939.72

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Solution

The fourth proportional to 761,339.52, 1,142,114.16 and 255,939.72 is: 383,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,339.52 : 1,142,114.16 = 255,939.72 : x
  2. Step 2: Convert to fraction form
    761,339.52/1,142,114.16 = 255,939.72/x
  3. Step 3: Cross multiply
    761,339.52x = 1,142,114.16 × 255,939.72
  4. Step 4: Simplify right side
    761,339.52x = 292,312,378,318.44
  5. Step 5: Solve for x
    x = 292,312,378,318.44/761,339.52
  6. Step 6: Final answer
    x = 383,944.84

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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.