Home / 724,455.10-1,085,905.05-275,002.30

Finding the Fourth Proportional to 724,455.10, 1,085,905.05 and 275,002.30

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Solution

The fourth proportional to 724,455.10, 1,085,905.05 and 275,002.30 is: 412,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,455.10 : 1,085,905.05 = 275,002.30 : x
  2. Step 2: Convert to fraction form
    724,455.10/1,085,905.05 = 275,002.30/x
  3. Step 3: Cross multiply
    724,455.10x = 1,085,905.05 × 275,002.30
  4. Step 4: Simplify right side
    724,455.10x = 298,626,386,331.62
  5. Step 5: Solve for x
    x = 298,626,386,331.62/724,455.10
  6. Step 6: Final answer
    x = 412,208.27

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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.