Home / 721,893.08-1,083,904.12-402,668.67

Finding the Fourth Proportional to 721,893.08, 1,083,904.12 and 402,668.67

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Solution

The fourth proportional to 721,893.08, 1,083,904.12 and 402,668.67 is: 604,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,893.08 : 1,083,904.12 = 402,668.67 : x
  2. Step 2: Convert to fraction form
    721,893.08/1,083,904.12 = 402,668.67/x
  3. Step 3: Cross multiply
    721,893.08x = 1,083,904.12 × 402,668.67
  4. Step 4: Simplify right side
    721,893.08x = 436,454,230,407.92
  5. Step 5: Solve for x
    x = 436,454,230,407.92/721,893.08
  6. Step 6: Final answer
    x = 604,596.78

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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.