Home / 913,104.76-1,260,077.74-510,696.76

Finding the Fourth Proportional to 913,104.76, 1,260,077.74 and 510,696.76

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Solution

The fourth proportional to 913,104.76, 1,260,077.74 and 510,696.76 is: 704,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,104.76 : 1,260,077.74 = 510,696.76 : x
  2. Step 2: Convert to fraction form
    913,104.76/1,260,077.74 = 510,696.76/x
  3. Step 3: Cross multiply
    913,104.76x = 1,260,077.74 × 510,696.76
  4. Step 4: Simplify right side
    913,104.76x = 643,517,619,166.12
  5. Step 5: Solve for x
    x = 643,517,619,166.12/913,104.76
  6. Step 6: Final answer
    x = 704,757.71

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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.