Home / 1,005,173.45-1,507,946.96-331,302.11

Finding the Fourth Proportional to 1,005,173.45, 1,507,946.96 and 331,302.11

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Solution

The fourth proportional to 1,005,173.45, 1,507,946.96 and 331,302.11 is: 497,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,173.45 : 1,507,946.96 = 331,302.11 : x
  2. Step 2: Convert to fraction form
    1,005,173.45/1,507,946.96 = 331,302.11/x
  3. Step 3: Cross multiply
    1,005,173.45x = 1,507,946.96 × 331,302.11
  4. Step 4: Simplify right side
    1,005,173.45x = 499,586,000,419.84
  5. Step 5: Solve for x
    x = 499,586,000,419.84/1,005,173.45
  6. Step 6: Final answer
    x = 497,014.72

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1.5x scale

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.