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Finding the Fourth Proportional to 793,368, 1,094,906.16 and 491,620.32

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Solution

The fourth proportional to 793,368, 1,094,906.16 and 491,620.32 is: 678,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,368 : 1,094,906.16 = 491,620.32 : x
  2. Step 2: Convert to fraction form
    793,368/1,094,906.16 = 491,620.32/x
  3. Step 3: Cross multiply
    793,368x = 1,094,906.16 × 491,620.32
  4. Step 4: Simplify right side
    793,368x = 538,278,116,749.17
  5. Step 5: Solve for x
    x = 538,278,116,749.17/793,368
  6. Step 6: Final answer
    x = 678,472.18

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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.