Home / 788,396.20-1,088,026.26-482,376.76

Finding the Fourth Proportional to 788,396.20, 1,088,026.26 and 482,376.76

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Solution

The fourth proportional to 788,396.20, 1,088,026.26 and 482,376.76 is: 665,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,396.20 : 1,088,026.26 = 482,376.76 : x
  2. Step 2: Convert to fraction form
    788,396.20/1,088,026.26 = 482,376.76/x
  3. Step 3: Cross multiply
    788,396.20x = 1,088,026.26 × 482,376.76
  4. Step 4: Simplify right side
    788,396.20x = 524,838,582,093.72
  5. Step 5: Solve for x
    x = 524,838,582,093.72/788,396.20
  6. Step 6: Final answer
    x = 665,704.10

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Double scale
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Similar ratio
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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.