Home / 673,004.40-1,009,506.60-407,583.60

Finding the Fourth Proportional to 673,004.40, 1,009,506.60 and 407,583.60

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Solution

The fourth proportional to 673,004.40, 1,009,506.60 and 407,583.60 is: 611,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,004.40 : 1,009,506.60 = 407,583.60 : x
  2. Step 2: Convert to fraction form
    673,004.40/1,009,506.60 = 407,583.60/x
  3. Step 3: Cross multiply
    673,004.40x = 1,009,506.60 × 407,583.60
  4. Step 4: Simplify right side
    673,004.40x = 411,458,334,251.76
  5. Step 5: Solve for x
    x = 411,458,334,251.76/673,004.40
  6. Step 6: Final answer
    x = 611,375.40

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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.