Home / 770,032.45-1,155,127.90-290,664.03

Finding the Fourth Proportional to 770,032.45, 1,155,127.90 and 290,664.03

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Solution

The fourth proportional to 770,032.45, 1,155,127.90 and 290,664.03 is: 436,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,032.45 : 1,155,127.90 = 290,664.03 : x
  2. Step 2: Convert to fraction form
    770,032.45/1,155,127.90 = 290,664.03/x
  3. Step 3: Cross multiply
    770,032.45x = 1,155,127.90 × 290,664.03
  4. Step 4: Simplify right side
    770,032.45x = 335,754,132,740.60
  5. Step 5: Solve for x
    x = 335,754,132,740.60/770,032.45
  6. Step 6: Final answer
    x = 436,025.95

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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.