Home / 684,911.50-1,027,374.18-305,851.52

Finding the Fourth Proportional to 684,911.50, 1,027,374.18 and 305,851.52

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Solution

The fourth proportional to 684,911.50, 1,027,374.18 and 305,851.52 is: 458,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,911.50 : 1,027,374.18 = 305,851.52 : x
  2. Step 2: Convert to fraction form
    684,911.50/1,027,374.18 = 305,851.52/x
  3. Step 3: Cross multiply
    684,911.50x = 1,027,374.18 × 305,851.52
  4. Step 4: Simplify right side
    684,911.50x = 314,223,956,129.39
  5. Step 5: Solve for x
    x = 314,223,956,129.39/684,911.50
  6. Step 6: Final answer
    x = 458,780.37

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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.