Home / 855,174.32-1,282,400.60-256,220.64

Finding the Fourth Proportional to 855,174.32, 1,282,400.60 and 256,220.64

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Solution

The fourth proportional to 855,174.32, 1,282,400.60 and 256,220.64 is: 384,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,174.32 : 1,282,400.60 = 256,220.64 : x
  2. Step 2: Convert to fraction form
    855,174.32/1,282,400.60 = 256,220.64/x
  3. Step 3: Cross multiply
    855,174.32x = 1,282,400.60 × 256,220.64
  4. Step 4: Simplify right side
    855,174.32x = 328,577,502,468.38
  5. Step 5: Solve for x
    x = 328,577,502,468.38/855,174.32
  6. Step 6: Final answer
    x = 384,222.84

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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.