Home / 768,579.47-1,052,948.96-739,838.04

Finding the Fourth Proportional to 768,579.47, 1,052,948.96 and 739,838.04

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Solution

The fourth proportional to 768,579.47, 1,052,948.96 and 739,838.04 is: 1,013,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,579.47 : 1,052,948.96 = 739,838.04 : x
  2. Step 2: Convert to fraction form
    768,579.47/1,052,948.96 = 739,838.04/x
  3. Step 3: Cross multiply
    768,579.47x = 1,052,948.96 × 739,838.04
  4. Step 4: Simplify right side
    768,579.47x = 779,011,691,087.25
  5. Step 5: Solve for x
    x = 779,011,691,087.25/768,579.47
  6. Step 6: Final answer
    x = 1,013,573.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.