Home / 979,827.06-1,352,126.58-550,125.30

Finding the Fourth Proportional to 979,827.06, 1,352,126.58 and 550,125.30

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Solution

The fourth proportional to 979,827.06, 1,352,126.58 and 550,125.30 is: 759,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,827.06 : 1,352,126.58 = 550,125.30 : x
  2. Step 2: Convert to fraction form
    979,827.06/1,352,126.58 = 550,125.30/x
  3. Step 3: Cross multiply
    979,827.06x = 1,352,126.58 × 550,125.30
  4. Step 4: Simplify right side
    979,827.06x = 743,839,040,460.47
  5. Step 5: Solve for x
    x = 743,839,040,460.47/979,827.06
  6. Step 6: Final answer
    x = 759,153.40

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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.