Home / 907,893.38-1,252,902.31-500,003.30

Finding the Fourth Proportional to 907,893.38, 1,252,902.31 and 500,003.30

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Solution

The fourth proportional to 907,893.38, 1,252,902.31 and 500,003.30 is: 690,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,893.38 : 1,252,902.31 = 500,003.30 : x
  2. Step 2: Convert to fraction form
    907,893.38/1,252,902.31 = 500,003.30/x
  3. Step 3: Cross multiply
    907,893.38x = 1,252,902.31 × 500,003.30
  4. Step 4: Simplify right side
    907,893.38x = 626,455,291,459.87
  5. Step 5: Solve for x
    x = 626,455,291,459.87/907,893.38
  6. Step 6: Final answer
    x = 690,009.76

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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.