Home / 962,856.40-1,443,118.20-429,811.60

Finding the Fourth Proportional to 962,856.40, 1,443,118.20 and 429,811.60

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Solution

The fourth proportional to 962,856.40, 1,443,118.20 and 429,811.60 is: 644,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,856.40 : 1,443,118.20 = 429,811.60 : x
  2. Step 2: Convert to fraction form
    962,856.40/1,443,118.20 = 429,811.60/x
  3. Step 3: Cross multiply
    962,856.40x = 1,443,118.20 × 429,811.60
  4. Step 4: Simplify right side
    962,856.40x = 620,268,942,531.12
  5. Step 5: Solve for x
    x = 620,268,942,531.12/962,856.40
  6. Step 6: Final answer
    x = 644,196.73

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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.