Home / 860,636.21-1,290,921.24-229,544.51

Finding the Fourth Proportional to 860,636.21, 1,290,921.24 and 229,544.51

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Solution

The fourth proportional to 860,636.21, 1,290,921.24 and 229,544.51 is: 344,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,636.21 : 1,290,921.24 = 229,544.51 : x
  2. Step 2: Convert to fraction form
    860,636.21/1,290,921.24 = 229,544.51/x
  3. Step 3: Cross multiply
    860,636.21x = 1,290,921.24 × 229,544.51
  4. Step 4: Simplify right side
    860,636.21x = 296,323,883,484.39
  5. Step 5: Solve for x
    x = 296,323,883,484.39/860,636.21
  6. Step 6: Final answer
    x = 344,307.94

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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.