Home / 874,300.64-1,206,502.44-487,106.96

Finding the Fourth Proportional to 874,300.64, 1,206,502.44 and 487,106.96

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Solution

The fourth proportional to 874,300.64, 1,206,502.44 and 487,106.96 is: 672,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,300.64 : 1,206,502.44 = 487,106.96 : x
  2. Step 2: Convert to fraction form
    874,300.64/1,206,502.44 = 487,106.96/x
  3. Step 3: Cross multiply
    874,300.64x = 1,206,502.44 × 487,106.96
  4. Step 4: Simplify right side
    874,300.64x = 587,695,735,780.98
  5. Step 5: Solve for x
    x = 587,695,735,780.98/874,300.64
  6. Step 6: Final answer
    x = 672,189.53

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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.