Home / 622,825.48-859,499.16-336,345.55

Finding the Fourth Proportional to 622,825.48, 859,499.16 and 336,345.55

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Solution

The fourth proportional to 622,825.48, 859,499.16 and 336,345.55 is: 464,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,825.48 : 859,499.16 = 336,345.55 : x
  2. Step 2: Convert to fraction form
    622,825.48/859,499.16 = 336,345.55/x
  3. Step 3: Cross multiply
    622,825.48x = 859,499.16 × 336,345.55
  4. Step 4: Simplify right side
    622,825.48x = 289,088,714,284.69
  5. Step 5: Solve for x
    x = 289,088,714,284.69/622,825.48
  6. Step 6: Final answer
    x = 464,156.85

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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.