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Finding the Fourth Proportional to 676,036.62, 932,930.83 and 370,132.83

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Solution

The fourth proportional to 676,036.62, 932,930.83 and 370,132.83 is: 510,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,036.62 : 932,930.83 = 370,132.83 : x
  2. Step 2: Convert to fraction form
    676,036.62/932,930.83 = 370,132.83/x
  3. Step 3: Cross multiply
    676,036.62x = 932,930.83 × 370,132.83
  4. Step 4: Simplify right side
    676,036.62x = 345,308,328,302.15
  5. Step 5: Solve for x
    x = 345,308,328,302.15/676,036.62
  6. Step 6: Final answer
    x = 510,783.47

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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.