Home / 788,977.54-1,088,794-426,400.55

Finding the Fourth Proportional to 788,977.54, 1,088,794 and 426,400.55

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Solution

The fourth proportional to 788,977.54, 1,088,794 and 426,400.55 is: 588,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,977.54 : 1,088,794 = 426,400.55 : x
  2. Step 2: Convert to fraction form
    788,977.54/1,088,794 = 426,400.55/x
  3. Step 3: Cross multiply
    788,977.54x = 1,088,794 × 426,400.55
  4. Step 4: Simplify right side
    788,977.54x = 464,262,360,436.70
  5. Step 5: Solve for x
    x = 464,262,360,436.70/788,977.54
  6. Step 6: Final answer
    x = 588,435.46

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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.