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Finding the Fourth Proportional to 676,011.54, 932,894.46 and 370,085.45

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Solution

The fourth proportional to 676,011.54, 932,894.46 and 370,085.45 is: 510,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,011.54 : 932,894.46 = 370,085.45 : x
  2. Step 2: Convert to fraction form
    676,011.54/932,894.46 = 370,085.45/x
  3. Step 3: Cross multiply
    676,011.54x = 932,894.46 × 370,085.45
  4. Step 4: Simplify right side
    676,011.54x = 345,250,661,367.14
  5. Step 5: Solve for x
    x = 345,250,661,367.14/676,011.54
  6. Step 6: Final answer
    x = 510,717.11

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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.