Home / 656,164.96-983,897.36-339,837.28

Finding the Fourth Proportional to 656,164.96, 983,897.36 and 339,837.28

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Solution

The fourth proportional to 656,164.96, 983,897.36 and 339,837.28 is: 509,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,164.96 : 983,897.36 = 339,837.28 : x
  2. Step 2: Convert to fraction form
    656,164.96/983,897.36 = 339,837.28/x
  3. Step 3: Cross multiply
    656,164.96x = 983,897.36 × 339,837.28
  4. Step 4: Simplify right side
    656,164.96x = 334,365,002,621.58
  5. Step 5: Solve for x
    x = 334,365,002,621.58/656,164.96
  6. Step 6: Final answer
    x = 509,574.61

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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.