Home / 761,339.04-1,142,113.40-255,939.24

Finding the Fourth Proportional to 761,339.04, 1,142,113.40 and 255,939.24

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Solution

The fourth proportional to 761,339.04, 1,142,113.40 and 255,939.24 is: 383,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,339.04 : 1,142,113.40 = 255,939.24 : x
  2. Step 2: Convert to fraction form
    761,339.04/1,142,113.40 = 255,939.24/x
  3. Step 3: Cross multiply
    761,339.04x = 1,142,113.40 × 255,939.24
  4. Step 4: Simplify right side
    761,339.04x = 292,311,635,589.82
  5. Step 5: Solve for x
    x = 292,311,635,589.82/761,339.04
  6. Step 6: Final answer
    x = 383,944.10

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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.