Home / 761,438.36-1,141,353.81-255,519.65

Finding the Fourth Proportional to 761,438.36, 1,141,353.81 and 255,519.65

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Solution

The fourth proportional to 761,438.36, 1,141,353.81 and 255,519.65 is: 383,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,438.36 : 1,141,353.81 = 255,519.65 : x
  2. Step 2: Convert to fraction form
    761,438.36/1,141,353.81 = 255,519.65/x
  3. Step 3: Cross multiply
    761,438.36x = 1,141,353.81 × 255,519.65
  4. Step 4: Simplify right side
    761,438.36x = 291,638,320,350.60
  5. Step 5: Solve for x
    x = 291,638,320,350.60/761,438.36
  6. Step 6: Final answer
    x = 383,009.76

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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.