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Finding the Fourth Proportional to 524,429.49, 787,429.40 and 300,042.93

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Solution

The fourth proportional to 524,429.49, 787,429.40 and 300,042.93 is: 450,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,429.49 : 787,429.40 = 300,042.93 : x
  2. Step 2: Convert to fraction form
    524,429.49/787,429.40 = 300,042.93/x
  3. Step 3: Cross multiply
    524,429.49x = 787,429.40 × 300,042.93
  4. Step 4: Simplify right side
    524,429.49x = 236,262,622,843.93
  5. Step 5: Solve for x
    x = 236,262,622,843.93/524,429.49
  6. Step 6: Final answer
    x = 450,513.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.