Home / 988,745.50-1,364,468.79-536,036.50

Finding the Fourth Proportional to 988,745.50, 1,364,468.79 and 536,036.50

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Solution

The fourth proportional to 988,745.50, 1,364,468.79 and 536,036.50 is: 739,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,745.50 : 1,364,468.79 = 536,036.50 : x
  2. Step 2: Convert to fraction form
    988,745.50/1,364,468.79 = 536,036.50/x
  3. Step 3: Cross multiply
    988,745.50x = 1,364,468.79 × 536,036.50
  4. Step 4: Simplify right side
    988,745.50x = 731,405,074,550.84
  5. Step 5: Solve for x
    x = 731,405,074,550.84/988,745.50
  6. Step 6: Final answer
    x = 739,730.37

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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.