Home / 743,117.27-1,115,104.91-401,561.87

Finding the Fourth Proportional to 743,117.27, 1,115,104.91 and 401,561.87

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Solution

The fourth proportional to 743,117.27, 1,115,104.91 and 401,561.87 is: 602,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,117.27 : 1,115,104.91 = 401,561.87 : x
  2. Step 2: Convert to fraction form
    743,117.27/1,115,104.91 = 401,561.87/x
  3. Step 3: Cross multiply
    743,117.27x = 1,115,104.91 × 401,561.87
  4. Step 4: Simplify right side
    743,117.27x = 447,783,605,322.45
  5. Step 5: Solve for x
    x = 447,783,605,322.45/743,117.27
  6. Step 6: Final answer
    x = 602,574.62

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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.