Home / 920,957.26-1,381,622.73-289,724.26

Finding the Fourth Proportional to 920,957.26, 1,381,622.73 and 289,724.26

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Solution

The fourth proportional to 920,957.26, 1,381,622.73 and 289,724.26 is: 434,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,957.26 : 1,381,622.73 = 289,724.26 : x
  2. Step 2: Convert to fraction form
    920,957.26/1,381,622.73 = 289,724.26/x
  3. Step 3: Cross multiply
    920,957.26x = 1,381,622.73 × 289,724.26
  4. Step 4: Simplify right side
    920,957.26x = 400,289,623,048.43
  5. Step 5: Solve for x
    x = 400,289,623,048.43/920,957.26
  6. Step 6: Final answer
    x = 434,645.17

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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.