Home / 753,027.25-1,039,172.91-430,742.72

Finding the Fourth Proportional to 753,027.25, 1,039,172.91 and 430,742.72

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Solution

The fourth proportional to 753,027.25, 1,039,172.91 and 430,742.72 is: 594,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,027.25 : 1,039,172.91 = 430,742.72 : x
  2. Step 2: Convert to fraction form
    753,027.25/1,039,172.91 = 430,742.72/x
  3. Step 3: Cross multiply
    753,027.25x = 1,039,172.91 × 430,742.72
  4. Step 4: Simplify right side
    753,027.25x = 447,616,160,607.85
  5. Step 5: Solve for x
    x = 447,616,160,607.85/753,027.25
  6. Step 6: Final answer
    x = 594,422.27

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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.