Home / 855,158.40-1,282,435.20-294,062.40

Finding the Fourth Proportional to 855,158.40, 1,282,435.20 and 294,062.40

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Solution

The fourth proportional to 855,158.40, 1,282,435.20 and 294,062.40 is: 440,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,158.40 : 1,282,435.20 = 294,062.40 : x
  2. Step 2: Convert to fraction form
    855,158.40/1,282,435.20 = 294,062.40/x
  3. Step 3: Cross multiply
    855,158.40x = 1,282,435.20 × 294,062.40
  4. Step 4: Simplify right side
    855,158.40x = 377,115,972,756.48
  5. Step 5: Solve for x
    x = 377,115,972,756.48/855,158.40
  6. Step 6: Final answer
    x = 440,989.61

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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.