Home / 724,325.60-1,084,414.80-444,389.60

Finding the Fourth Proportional to 724,325.60, 1,084,414.80 and 444,389.60

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Solution

The fourth proportional to 724,325.60, 1,084,414.80 and 444,389.60 is: 665,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,325.60 : 1,084,414.80 = 444,389.60 : x
  2. Step 2: Convert to fraction form
    724,325.60/1,084,414.80 = 444,389.60/x
  3. Step 3: Cross multiply
    724,325.60x = 1,084,414.80 × 444,389.60
  4. Step 4: Simplify right side
    724,325.60x = 481,902,659,206.08
  5. Step 5: Solve for x
    x = 481,902,659,206.08/724,325.60
  6. Step 6: Final answer
    x = 665,312.20

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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.