Home / 880,301.37-1,214,319.42-512,735.18

Finding the Fourth Proportional to 880,301.37, 1,214,319.42 and 512,735.18

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Solution

The fourth proportional to 880,301.37, 1,214,319.42 and 512,735.18 is: 707,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,301.37 : 1,214,319.42 = 512,735.18 : x
  2. Step 2: Convert to fraction form
    880,301.37/1,214,319.42 = 512,735.18/x
  3. Step 3: Cross multiply
    880,301.37x = 1,214,319.42 × 512,735.18
  4. Step 4: Simplify right side
    880,301.37x = 622,624,289,426.99
  5. Step 5: Solve for x
    x = 622,624,289,426.99/880,301.37
  6. Step 6: Final answer
    x = 707,285.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.