Home / 788,396.70-1,088,026.95-482,377.26

Finding the Fourth Proportional to 788,396.70, 1,088,026.95 and 482,377.26

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Solution

The fourth proportional to 788,396.70, 1,088,026.95 and 482,377.26 is: 665,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,396.70 : 1,088,026.95 = 482,377.26 : x
  2. Step 2: Convert to fraction form
    788,396.70/1,088,026.95 = 482,377.26/x
  3. Step 3: Cross multiply
    788,396.70x = 1,088,026.95 × 482,377.26
  4. Step 4: Simplify right side
    788,396.70x = 524,839,458,947.16
  5. Step 5: Solve for x
    x = 524,839,458,947.16/788,396.70
  6. Step 6: Final answer
    x = 665,704.79

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Double scale
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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.