Home / 770,230.48-1,155,913.24-365,424.16

Finding the Fourth Proportional to 770,230.48, 1,155,913.24 and 365,424.16

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Solution

The fourth proportional to 770,230.48, 1,155,913.24 and 365,424.16 is: 548,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,230.48 : 1,155,913.24 = 365,424.16 : x
  2. Step 2: Convert to fraction form
    770,230.48/1,155,913.24 = 365,424.16/x
  3. Step 3: Cross multiply
    770,230.48x = 1,155,913.24 × 365,424.16
  4. Step 4: Simplify right side
    770,230.48x = 422,398,624,759.88
  5. Step 5: Solve for x
    x = 422,398,624,759.88/770,230.48
  6. Step 6: Final answer
    x = 548,405.49

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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.