Home / 788,968.84-1,088,511.04-449,196.52

Finding the Fourth Proportional to 788,968.84, 1,088,511.04 and 449,196.52

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Solution

The fourth proportional to 788,968.84, 1,088,511.04 and 449,196.52 is: 619,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,968.84 : 1,088,511.04 = 449,196.52 : x
  2. Step 2: Convert to fraction form
    788,968.84/1,088,511.04 = 449,196.52/x
  3. Step 3: Cross multiply
    788,968.84x = 1,088,511.04 × 449,196.52
  4. Step 4: Simplify right side
    788,968.84x = 488,955,371,149.58
  5. Step 5: Solve for x
    x = 488,955,371,149.58/788,968.84
  6. Step 6: Final answer
    x = 619,739.77

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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.