Home / 1,005,220.84-1,507,810.51-331,342.60

Finding the Fourth Proportional to 1,005,220.84, 1,507,810.51 and 331,342.60

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Solution

The fourth proportional to 1,005,220.84, 1,507,810.51 and 331,342.60 is: 497,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,220.84 : 1,507,810.51 = 331,342.60 : x
  2. Step 2: Convert to fraction form
    1,005,220.84/1,507,810.51 = 331,342.60/x
  3. Step 3: Cross multiply
    1,005,220.84x = 1,507,810.51 × 331,342.60
  4. Step 4: Simplify right side
    1,005,220.84x = 499,601,854,690.73
  5. Step 5: Solve for x
    x = 499,601,854,690.73/1,005,220.84
  6. Step 6: Final answer
    x = 497,007.06

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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.