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Finding the Fourth Proportional to 426,088.44, 587,920.10 and 256,333.48

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Solution

The fourth proportional to 426,088.44, 587,920.10 and 256,333.48 is: 353,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,088.44 : 587,920.10 = 256,333.48 : x
  2. Step 2: Convert to fraction form
    426,088.44/587,920.10 = 256,333.48/x
  3. Step 3: Cross multiply
    426,088.44x = 587,920.10 × 256,333.48
  4. Step 4: Simplify right side
    426,088.44x = 150,703,605,194.95
  5. Step 5: Solve for x
    x = 150,703,605,194.95/426,088.44
  6. Step 6: Final answer
    x = 353,690.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.