Home / 612,772-845,625.36-344,501.92

Finding the Fourth Proportional to 612,772, 845,625.36 and 344,501.92

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Solution

The fourth proportional to 612,772, 845,625.36 and 344,501.92 is: 475,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,772 : 845,625.36 = 344,501.92 : x
  2. Step 2: Convert to fraction form
    612,772/845,625.36 = 344,501.92/x
  3. Step 3: Cross multiply
    612,772x = 845,625.36 × 344,501.92
  4. Step 4: Simplify right side
    612,772x = 291,319,560,120.69
  5. Step 5: Solve for x
    x = 291,319,560,120.69/612,772
  6. Step 6: Final answer
    x = 475,412.65

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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.