Home / 1,005,440.83-1,508,259.65-331,247.05

Finding the Fourth Proportional to 1,005,440.83, 1,508,259.65 and 331,247.05

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Solution

The fourth proportional to 1,005,440.83, 1,508,259.65 and 331,247.05 is: 496,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,440.83 : 1,508,259.65 = 331,247.05 : x
  2. Step 2: Convert to fraction form
    1,005,440.83/1,508,259.65 = 331,247.05/x
  3. Step 3: Cross multiply
    1,005,440.83x = 1,508,259.65 × 331,247.05
  4. Step 4: Simplify right side
    1,005,440.83x = 499,606,554,269.65
  5. Step 5: Solve for x
    x = 499,606,554,269.65/1,005,440.83
  6. Step 6: Final answer
    x = 496,902.99

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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.