Home / 1,005,366.05-1,508,267.78-331,332.65

Finding the Fourth Proportional to 1,005,366.05, 1,508,267.78 and 331,332.65

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Solution

The fourth proportional to 1,005,366.05, 1,508,267.78 and 331,332.65 is: 497,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,366.05 : 1,508,267.78 = 331,332.65 : x
  2. Step 2: Convert to fraction form
    1,005,366.05/1,508,267.78 = 331,332.65/x
  3. Step 3: Cross multiply
    1,005,366.05x = 1,508,267.78 × 331,332.65
  4. Step 4: Simplify right side
    1,005,366.05x = 499,738,360,457.02
  5. Step 5: Solve for x
    x = 499,738,360,457.02/1,005,366.05
  6. Step 6: Final answer
    x = 497,071.05

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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.