Home / 744,942.60-1,116,636.30-407,464.20

Finding the Fourth Proportional to 744,942.60, 1,116,636.30 and 407,464.20

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Solution

The fourth proportional to 744,942.60, 1,116,636.30 and 407,464.20 is: 610,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,942.60 : 1,116,636.30 = 407,464.20 : x
  2. Step 2: Convert to fraction form
    744,942.60/1,116,636.30 = 407,464.20/x
  3. Step 3: Cross multiply
    744,942.60x = 1,116,636.30 × 407,464.20
  4. Step 4: Simplify right side
    744,942.60x = 454,989,316,670.46
  5. Step 5: Solve for x
    x = 454,989,316,670.46/744,942.60
  6. Step 6: Final answer
    x = 610,770.97

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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.