Home / 1,263.47-1,895.93-442.36

Finding the Fourth Proportional to 1,263.47, 1,895.93 and 442.36

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Solution

The fourth proportional to 1,263.47, 1,895.93 and 442.36 is: 663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.47 : 1,895.93 = 442.36 : x
  2. Step 2: Convert to fraction form
    1,263.47/1,895.93 = 442.36/x
  3. Step 3: Cross multiply
    1,263.47x = 1,895.93 × 442.36
  4. Step 4: Simplify right side
    1,263.47x = 838,671.90
  5. Step 5: Solve for x
    x = 838,671.90/1,263.47
  6. Step 6: Final answer
    x = 663.78

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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.