Home / 930,433.08-1,395,416.32-680,655

Finding the Fourth Proportional to 930,433.08, 1,395,416.32 and 680,655

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Solution

The fourth proportional to 930,433.08, 1,395,416.32 and 680,655 is: 1,020,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,433.08 : 1,395,416.32 = 680,655 : x
  2. Step 2: Convert to fraction form
    930,433.08/1,395,416.32 = 680,655/x
  3. Step 3: Cross multiply
    930,433.08x = 1,395,416.32 × 680,655
  4. Step 4: Simplify right side
    930,433.08x = 949,797,095,289.60
  5. Step 5: Solve for x
    x = 949,797,095,289.60/930,433.08
  6. Step 6: Final answer
    x = 1,020,811.83

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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.