Home / 1,005,503.91-1,507,935.35-331,459.58

Finding the Fourth Proportional to 1,005,503.91, 1,507,935.35 and 331,459.58

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Solution

The fourth proportional to 1,005,503.91, 1,507,935.35 and 331,459.58 is: 497,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,503.91 : 1,507,935.35 = 331,459.58 : x
  2. Step 2: Convert to fraction form
    1,005,503.91/1,507,935.35 = 331,459.58/x
  3. Step 3: Cross multiply
    1,005,503.91x = 1,507,935.35 × 331,459.58
  4. Step 4: Simplify right side
    1,005,503.91x = 499,819,608,581.18
  5. Step 5: Solve for x
    x = 499,819,608,581.18/1,005,503.91
  6. Step 6: Final answer
    x = 497,083.70

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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.