Home / 800,436.39-1,200,931.07-302,081.19

Finding the Fourth Proportional to 800,436.39, 1,200,931.07 and 302,081.19

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Solution

The fourth proportional to 800,436.39, 1,200,931.07 and 302,081.19 is: 453,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,436.39 : 1,200,931.07 = 302,081.19 : x
  2. Step 2: Convert to fraction form
    800,436.39/1,200,931.07 = 302,081.19/x
  3. Step 3: Cross multiply
    800,436.39x = 1,200,931.07 × 302,081.19
  4. Step 4: Simplify right side
    800,436.39x = 362,778,685,223.17
  5. Step 5: Solve for x
    x = 362,778,685,223.17/800,436.39
  6. Step 6: Final answer
    x = 453,226.13

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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.