Home / 912,307.15-1,368,039.51-335,785.62

Finding the Fourth Proportional to 912,307.15, 1,368,039.51 and 335,785.62

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Solution

The fourth proportional to 912,307.15, 1,368,039.51 and 335,785.62 is: 503,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,307.15 : 1,368,039.51 = 335,785.62 : x
  2. Step 2: Convert to fraction form
    912,307.15/1,368,039.51 = 335,785.62/x
  3. Step 3: Cross multiply
    912,307.15x = 1,368,039.51 × 335,785.62
  4. Step 4: Simplify right side
    912,307.15x = 459,367,995,049.85
  5. Step 5: Solve for x
    x = 459,367,995,049.85/912,307.15
  6. Step 6: Final answer
    x = 503,523.40

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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.