Home / 497,437.36-684,889.60-451,979.28

Finding the Fourth Proportional to 497,437.36, 684,889.60 and 451,979.28

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Solution

The fourth proportional to 497,437.36, 684,889.60 and 451,979.28 is: 622,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,437.36 : 684,889.60 = 451,979.28 : x
  2. Step 2: Convert to fraction form
    497,437.36/684,889.60 = 451,979.28/x
  3. Step 3: Cross multiply
    497,437.36x = 684,889.60 × 451,979.28
  4. Step 4: Simplify right side
    497,437.36x = 309,555,908,287.49
  5. Step 5: Solve for x
    x = 309,555,908,287.49/497,437.36
  6. Step 6: Final answer
    x = 622,301.28

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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.