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Finding the Fourth Proportional to 452,532.54, 678,798.26 and 115,573.48

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Solution

The fourth proportional to 452,532.54, 678,798.26 and 115,573.48 is: 173,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,532.54 : 678,798.26 = 115,573.48 : x
  2. Step 2: Convert to fraction form
    452,532.54/678,798.26 = 115,573.48/x
  3. Step 3: Cross multiply
    452,532.54x = 678,798.26 × 115,573.48
  4. Step 4: Simplify right side
    452,532.54x = 78,451,077,126.14
  5. Step 5: Solve for x
    x = 78,451,077,126.14/452,532.54
  6. Step 6: Final answer
    x = 173,360.08

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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.