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Finding the Fourth Proportional to 543,730.32, 750,323.52 and 302,029.56

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Solution

The fourth proportional to 543,730.32, 750,323.52 and 302,029.56 is: 416,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,730.32 : 750,323.52 = 302,029.56 : x
  2. Step 2: Convert to fraction form
    543,730.32/750,323.52 = 302,029.56/x
  3. Step 3: Cross multiply
    543,730.32x = 750,323.52 × 302,029.56
  4. Step 4: Simplify right side
    543,730.32x = 226,619,882,603.25
  5. Step 5: Solve for x
    x = 226,619,882,603.25/543,730.32
  6. Step 6: Final answer
    x = 416,787.28

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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.