Home / 757,730.40-1,045,803.44-451,826.56

Finding the Fourth Proportional to 757,730.40, 1,045,803.44 and 451,826.56

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Solution

The fourth proportional to 757,730.40, 1,045,803.44 and 451,826.56 is: 623,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,730.40 : 1,045,803.44 = 451,826.56 : x
  2. Step 2: Convert to fraction form
    757,730.40/1,045,803.44 = 451,826.56/x
  3. Step 3: Cross multiply
    757,730.40x = 1,045,803.44 × 451,826.56
  4. Step 4: Simplify right side
    757,730.40x = 472,521,770,731.37
  5. Step 5: Solve for x
    x = 472,521,770,731.37/757,730.40
  6. Step 6: Final answer
    x = 623,601.44

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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.