Home / 862,063.96-1,293,203.28-293,401.36

Finding the Fourth Proportional to 862,063.96, 1,293,203.28 and 293,401.36

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Solution

The fourth proportional to 862,063.96, 1,293,203.28 and 293,401.36 is: 440,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,063.96 : 1,293,203.28 = 293,401.36 : x
  2. Step 2: Convert to fraction form
    862,063.96/1,293,203.28 = 293,401.36/x
  3. Step 3: Cross multiply
    862,063.96x = 1,293,203.28 × 293,401.36
  4. Step 4: Simplify right side
    862,063.96x = 379,427,601,108.46
  5. Step 5: Solve for x
    x = 379,427,601,108.46/862,063.96
  6. Step 6: Final answer
    x = 440,138.57

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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.