Home / 781,784.84-1,172,689.61-308,466.11

Finding the Fourth Proportional to 781,784.84, 1,172,689.61 and 308,466.11

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Solution

The fourth proportional to 781,784.84, 1,172,689.61 and 308,466.11 is: 462,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,784.84 : 1,172,689.61 = 308,466.11 : x
  2. Step 2: Convert to fraction form
    781,784.84/1,172,689.61 = 308,466.11/x
  3. Step 3: Cross multiply
    781,784.84x = 1,172,689.61 × 308,466.11
  4. Step 4: Simplify right side
    781,784.84x = 361,734,994,828.34
  5. Step 5: Solve for x
    x = 361,734,994,828.34/781,784.84
  6. Step 6: Final answer
    x = 462,704.03

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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.