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Finding the Fourth Proportional to 541,730.40, 747,590.04 and 300,007.68

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Solution

The fourth proportional to 541,730.40, 747,590.04 and 300,007.68 is: 414,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,730.40 : 747,590.04 = 300,007.68 : x
  2. Step 2: Convert to fraction form
    541,730.40/747,590.04 = 300,007.68/x
  3. Step 3: Cross multiply
    541,730.40x = 747,590.04 × 300,007.68
  4. Step 4: Simplify right side
    541,730.40x = 224,282,753,491.51
  5. Step 5: Solve for x
    x = 224,282,753,491.51/541,730.40
  6. Step 6: Final answer
    x = 414,011.75

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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.