Home / 856,788.60-1,284,818.58-351,000.12

Finding the Fourth Proportional to 856,788.60, 1,284,818.58 and 351,000.12

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Solution

The fourth proportional to 856,788.60, 1,284,818.58 and 351,000.12 is: 526,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,788.60 : 1,284,818.58 = 351,000.12 : x
  2. Step 2: Convert to fraction form
    856,788.60/1,284,818.58 = 351,000.12/x
  3. Step 3: Cross multiply
    856,788.60x = 1,284,818.58 × 351,000.12
  4. Step 4: Simplify right side
    856,788.60x = 450,971,475,758.23
  5. Step 5: Solve for x
    x = 450,971,475,758.23/856,788.60
  6. Step 6: Final answer
    x = 526,350.93

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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.