Home / 868,034.69-1,302,042.30-306,937.97

Finding the Fourth Proportional to 868,034.69, 1,302,042.30 and 306,937.97

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Solution

The fourth proportional to 868,034.69, 1,302,042.30 and 306,937.97 is: 460,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,034.69 : 1,302,042.30 = 306,937.97 : x
  2. Step 2: Convert to fraction form
    868,034.69/1,302,042.30 = 306,937.97/x
  3. Step 3: Cross multiply
    868,034.69x = 1,302,042.30 × 306,937.97
  4. Step 4: Simplify right side
    868,034.69x = 399,646,213,905.92
  5. Step 5: Solve for x
    x = 399,646,213,905.92/868,034.69
  6. Step 6: Final answer
    x = 460,403.51

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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.