Home / 761,311.22-1,051,746.84-500,283.65

Finding the Fourth Proportional to 761,311.22, 1,051,746.84 and 500,283.65

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Solution

The fourth proportional to 761,311.22, 1,051,746.84 and 500,283.65 is: 691,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,311.22 : 1,051,746.84 = 500,283.65 : x
  2. Step 2: Convert to fraction form
    761,311.22/1,051,746.84 = 500,283.65/x
  3. Step 3: Cross multiply
    761,311.22x = 1,051,746.84 × 500,283.65
  4. Step 4: Simplify right side
    761,311.22x = 526,171,742,732.43
  5. Step 5: Solve for x
    x = 526,171,742,732.43/761,311.22
  6. Step 6: Final answer
    x = 691,138.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.