Home / 487,731.12-673,299.08-366,918.51

Finding the Fourth Proportional to 487,731.12, 673,299.08 and 366,918.51

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Solution

The fourth proportional to 487,731.12, 673,299.08 and 366,918.51 is: 506,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,731.12 : 673,299.08 = 366,918.51 : x
  2. Step 2: Convert to fraction form
    487,731.12/673,299.08 = 366,918.51/x
  3. Step 3: Cross multiply
    487,731.12x = 673,299.08 × 366,918.51
  4. Step 4: Simplify right side
    487,731.12x = 247,045,895,217.97
  5. Step 5: Solve for x
    x = 247,045,895,217.97/487,731.12
  6. Step 6: Final answer
    x = 506,520.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.