Home / 943,707.38-1,302,309.51-513,986.18

Finding the Fourth Proportional to 943,707.38, 1,302,309.51 and 513,986.18

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Solution

The fourth proportional to 943,707.38, 1,302,309.51 and 513,986.18 is: 709,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,707.38 : 1,302,309.51 = 513,986.18 : x
  2. Step 2: Convert to fraction form
    943,707.38/1,302,309.51 = 513,986.18/x
  3. Step 3: Cross multiply
    943,707.38x = 1,302,309.51 × 513,986.18
  4. Step 4: Simplify right side
    943,707.38x = 669,369,090,222.57
  5. Step 5: Solve for x
    x = 669,369,090,222.57/943,707.38
  6. Step 6: Final answer
    x = 709,297.29

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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.