Home / 614,258.22-921,387.42-240,018.78

Finding the Fourth Proportional to 614,258.22, 921,387.42 and 240,018.78

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Solution

The fourth proportional to 614,258.22, 921,387.42 and 240,018.78 is: 360,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,258.22 : 921,387.42 = 240,018.78 : x
  2. Step 2: Convert to fraction form
    614,258.22/921,387.42 = 240,018.78/x
  3. Step 3: Cross multiply
    614,258.22x = 921,387.42 × 240,018.78
  4. Step 4: Simplify right side
    614,258.22x = 221,150,284,455.75
  5. Step 5: Solve for x
    x = 221,150,284,455.75/614,258.22
  6. Step 6: Final answer
    x = 360,028.21

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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.