Home / 761,455.87-1,141,380.06-255,537.16

Finding the Fourth Proportional to 761,455.87, 1,141,380.06 and 255,537.16

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Solution

The fourth proportional to 761,455.87, 1,141,380.06 and 255,537.16 is: 383,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,455.87 : 1,141,380.06 = 255,537.16 : x
  2. Step 2: Convert to fraction form
    761,455.87/1,141,380.06 = 255,537.16/x
  3. Step 3: Cross multiply
    761,455.87x = 1,141,380.06 × 255,537.16
  4. Step 4: Simplify right side
    761,455.87x = 291,665,019,013.03
  5. Step 5: Solve for x
    x = 291,665,019,013.03/761,455.87
  6. Step 6: Final answer
    x = 383,036.01

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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.