Home / 823,026.48-1,234,542.84-290,258.16

Finding the Fourth Proportional to 823,026.48, 1,234,542.84 and 290,258.16

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Solution

The fourth proportional to 823,026.48, 1,234,542.84 and 290,258.16 is: 435,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,026.48 : 1,234,542.84 = 290,258.16 : x
  2. Step 2: Convert to fraction form
    823,026.48/1,234,542.84 = 290,258.16/x
  3. Step 3: Cross multiply
    823,026.48x = 1,234,542.84 × 290,258.16
  4. Step 4: Simplify right side
    823,026.48x = 358,336,133,179.57
  5. Step 5: Solve for x
    x = 358,336,133,179.57/823,026.48
  6. Step 6: Final answer
    x = 435,388.34

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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.