Home / 916,328.72-1,373,663.64-325,214.48

Finding the Fourth Proportional to 916,328.72, 1,373,663.64 and 325,214.48

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Solution

The fourth proportional to 916,328.72, 1,373,663.64 and 325,214.48 is: 487,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,328.72 : 1,373,663.64 = 325,214.48 : x
  2. Step 2: Convert to fraction form
    916,328.72/1,373,663.64 = 325,214.48/x
  3. Step 3: Cross multiply
    916,328.72x = 1,373,663.64 × 325,214.48
  4. Step 4: Simplify right side
    916,328.72x = 446,735,306,377.51
  5. Step 5: Solve for x
    x = 446,735,306,377.51/916,328.72
  6. Step 6: Final answer
    x = 487,527.34

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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.