Home / 943,669.80-1,302,279.12-513,949.57

Finding the Fourth Proportional to 943,669.80, 1,302,279.12 and 513,949.57

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Solution

The fourth proportional to 943,669.80, 1,302,279.12 and 513,949.57 is: 709,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,669.80 : 1,302,279.12 = 513,949.57 : x
  2. Step 2: Convert to fraction form
    943,669.80/1,302,279.12 = 513,949.57/x
  3. Step 3: Cross multiply
    943,669.80x = 1,302,279.12 × 513,949.57
  4. Step 4: Simplify right side
    943,669.80x = 669,305,790,488.28
  5. Step 5: Solve for x
    x = 669,305,790,488.28/943,669.80
  6. Step 6: Final answer
    x = 709,258.46

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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.