Home / 676,811.60-1,015,217.40-620,824.40

Finding the Fourth Proportional to 676,811.60, 1,015,217.40 and 620,824.40

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Solution

The fourth proportional to 676,811.60, 1,015,217.40 and 620,824.40 is: 931,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,811.60 : 1,015,217.40 = 620,824.40 : x
  2. Step 2: Convert to fraction form
    676,811.60/1,015,217.40 = 620,824.40/x
  3. Step 3: Cross multiply
    676,811.60x = 1,015,217.40 × 620,824.40
  4. Step 4: Simplify right side
    676,811.60x = 630,271,733,224.56
  5. Step 5: Solve for x
    x = 630,271,733,224.56/676,811.60
  6. Step 6: Final answer
    x = 931,236.60

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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.