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Finding the Fourth Proportional to 562,112.54, 775,497.42 and 358,126.94

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Solution

The fourth proportional to 562,112.54, 775,497.42 and 358,126.94 is: 494,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,112.54 : 775,497.42 = 358,126.94 : x
  2. Step 2: Convert to fraction form
    562,112.54/775,497.42 = 358,126.94/x
  3. Step 3: Cross multiply
    562,112.54x = 775,497.42 × 358,126.94
  4. Step 4: Simplify right side
    562,112.54x = 277,726,514,125.01
  5. Step 5: Solve for x
    x = 277,726,514,125.01/562,112.54
  6. Step 6: Final answer
    x = 494,076.35

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1.5x scale

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.