Home / 863,416.77-1,294,844.90-286,885.22

Finding the Fourth Proportional to 863,416.77, 1,294,844.90 and 286,885.22

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Solution

The fourth proportional to 863,416.77, 1,294,844.90 and 286,885.22 is: 430,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,416.77 : 1,294,844.90 = 286,885.22 : x
  2. Step 2: Convert to fraction form
    863,416.77/1,294,844.90 = 286,885.22/x
  3. Step 3: Cross multiply
    863,416.77x = 1,294,844.90 × 286,885.22
  4. Step 4: Simplify right side
    863,416.77x = 371,471,856,093.73
  5. Step 5: Solve for x
    x = 371,471,856,093.73/863,416.77
  6. Step 6: Final answer
    x = 430,234.70

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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.