Home / 790,627.64-1,186,162.90-317,645.15

Finding the Fourth Proportional to 790,627.64, 1,186,162.90 and 317,645.15

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Solution

The fourth proportional to 790,627.64, 1,186,162.90 and 317,645.15 is: 476,556.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,627.64 : 1,186,162.90 = 317,645.15 : x
  2. Step 2: Convert to fraction form
    790,627.64/1,186,162.90 = 317,645.15/x
  3. Step 3: Cross multiply
    790,627.64x = 1,186,162.90 × 317,645.15
  4. Step 4: Simplify right side
    790,627.64x = 376,778,894,466.23
  5. Step 5: Solve for x
    x = 376,778,894,466.23/790,627.64
  6. Step 6: Final answer
    x = 476,556.69

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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.