Home / 916,326.72-1,373,660.64-325,212.48

Finding the Fourth Proportional to 916,326.72, 1,373,660.64 and 325,212.48

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Solution

The fourth proportional to 916,326.72, 1,373,660.64 and 325,212.48 is: 487,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,326.72 : 1,373,660.64 = 325,212.48 : x
  2. Step 2: Convert to fraction form
    916,326.72/1,373,660.64 = 325,212.48/x
  3. Step 3: Cross multiply
    916,326.72x = 1,373,660.64 × 325,212.48
  4. Step 4: Simplify right side
    916,326.72x = 446,731,583,412.79
  5. Step 5: Solve for x
    x = 446,731,583,412.79/916,326.72
  6. Step 6: Final answer
    x = 487,524.34

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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.