Home / 904,697.31-1,248,433.79-496,719.75

Finding the Fourth Proportional to 904,697.31, 1,248,433.79 and 496,719.75

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Solution

The fourth proportional to 904,697.31, 1,248,433.79 and 496,719.75 is: 685,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,697.31 : 1,248,433.79 = 496,719.75 : x
  2. Step 2: Convert to fraction form
    904,697.31/1,248,433.79 = 496,719.75/x
  3. Step 3: Cross multiply
    904,697.31x = 1,248,433.79 × 496,719.75
  4. Step 4: Simplify right side
    904,697.31x = 620,121,717,576.75
  5. Step 5: Solve for x
    x = 620,121,717,576.75/904,697.31
  6. Step 6: Final answer
    x = 685,446.62

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1.5x scale

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.