Home / 770,007.89-1,154,197.37-290,028.02

Finding the Fourth Proportional to 770,007.89, 1,154,197.37 and 290,028.02

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Solution

The fourth proportional to 770,007.89, 1,154,197.37 and 290,028.02 is: 434,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,007.89 : 1,154,197.37 = 290,028.02 : x
  2. Step 2: Convert to fraction form
    770,007.89/1,154,197.37 = 290,028.02/x
  3. Step 3: Cross multiply
    770,007.89x = 1,154,197.37 × 290,028.02
  4. Step 4: Simplify right side
    770,007.89x = 334,749,572,864.39
  5. Step 5: Solve for x
    x = 334,749,572,864.39/770,007.89
  6. Step 6: Final answer
    x = 434,735.25

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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.