Home / 860,059.40-1,289,628.30-360,859.40

Finding the Fourth Proportional to 860,059.40, 1,289,628.30 and 360,859.40

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Solution

The fourth proportional to 860,059.40, 1,289,628.30 and 360,859.40 is: 541,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,059.40 : 1,289,628.30 = 360,859.40 : x
  2. Step 2: Convert to fraction form
    860,059.40/1,289,628.30 = 360,859.40/x
  3. Step 3: Cross multiply
    860,059.40x = 1,289,628.30 × 360,859.40
  4. Step 4: Simplify right side
    860,059.40x = 465,374,494,561.02
  5. Step 5: Solve for x
    x = 465,374,494,561.02/860,059.40
  6. Step 6: Final answer
    x = 541,095.76

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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.