Home / 933,145.20-1,399,890.60-302,079.60

Finding the Fourth Proportional to 933,145.20, 1,399,890.60 and 302,079.60

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Solution

The fourth proportional to 933,145.20, 1,399,890.60 and 302,079.60 is: 453,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,145.20 : 1,399,890.60 = 302,079.60 : x
  2. Step 2: Convert to fraction form
    933,145.20/1,399,890.60 = 302,079.60/x
  3. Step 3: Cross multiply
    933,145.20x = 1,399,890.60 × 302,079.60
  4. Step 4: Simplify right side
    933,145.20x = 422,878,392,491.76
  5. Step 5: Solve for x
    x = 422,878,392,491.76/933,145.20
  6. Step 6: Final answer
    x = 453,175.34

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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.