Home / 647,733.12-970,298.48-322,541.52

Finding the Fourth Proportional to 647,733.12, 970,298.48 and 322,541.52

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Solution

The fourth proportional to 647,733.12, 970,298.48 and 322,541.52 is: 483,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,733.12 : 970,298.48 = 322,541.52 : x
  2. Step 2: Convert to fraction form
    647,733.12/970,298.48 = 322,541.52/x
  3. Step 3: Cross multiply
    647,733.12x = 970,298.48 × 322,541.52
  4. Step 4: Simplify right side
    647,733.12x = 312,961,546,592.89
  5. Step 5: Solve for x
    x = 312,961,546,592.89/647,733.12
  6. Step 6: Final answer
    x = 483,164.34

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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.