Home / 662,895.60-993,322.80-493,621.80

Finding the Fourth Proportional to 662,895.60, 993,322.80 and 493,621.80

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Solution

The fourth proportional to 662,895.60, 993,322.80 and 493,621.80 is: 739,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,895.60 : 993,322.80 = 493,621.80 : x
  2. Step 2: Convert to fraction form
    662,895.60/993,322.80 = 493,621.80/x
  3. Step 3: Cross multiply
    662,895.60x = 993,322.80 × 493,621.80
  4. Step 4: Simplify right side
    662,895.60x = 490,325,788,517.04
  5. Step 5: Solve for x
    x = 490,325,788,517.04/662,895.60
  6. Step 6: Final answer
    x = 739,672.72

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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.