Home / 748,125.45-1,122,427.26-268,029.14

Finding the Fourth Proportional to 748,125.45, 1,122,427.26 and 268,029.14

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Solution

The fourth proportional to 748,125.45, 1,122,427.26 and 268,029.14 is: 402,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,125.45 : 1,122,427.26 = 268,029.14 : x
  2. Step 2: Convert to fraction form
    748,125.45/1,122,427.26 = 268,029.14/x
  3. Step 3: Cross multiply
    748,125.45x = 1,122,427.26 × 268,029.14
  4. Step 4: Simplify right side
    748,125.45x = 300,843,207,598.22
  5. Step 5: Solve for x
    x = 300,843,207,598.22/748,125.45
  6. Step 6: Final answer
    x = 402,129.36

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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.