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Finding the Fourth Proportional to 901,959.86, 1,353,133.68 and 262,274.72

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Solution

The fourth proportional to 901,959.86, 1,353,133.68 and 262,274.72 is: 393,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,959.86 : 1,353,133.68 = 262,274.72 : x
  2. Step 2: Convert to fraction form
    901,959.86/1,353,133.68 = 262,274.72/x
  3. Step 3: Cross multiply
    901,959.86x = 1,353,133.68 × 262,274.72
  4. Step 4: Simplify right side
    901,959.86x = 354,892,757,044.57
  5. Step 5: Solve for x
    x = 354,892,757,044.57/901,959.86
  6. Step 6: Final answer
    x = 393,468.46

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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.