Home / 689,288.85-950,164.36-484,782.48

Finding the Fourth Proportional to 689,288.85, 950,164.36 and 484,782.48

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Solution

The fourth proportional to 689,288.85, 950,164.36 and 484,782.48 is: 668,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,288.85 : 950,164.36 = 484,782.48 : x
  2. Step 2: Convert to fraction form
    689,288.85/950,164.36 = 484,782.48/x
  3. Step 3: Cross multiply
    689,288.85x = 950,164.36 × 484,782.48
  4. Step 4: Simplify right side
    689,288.85x = 460,623,033,636.46
  5. Step 5: Solve for x
    x = 460,623,033,636.46/689,288.85
  6. Step 6: Final answer
    x = 668,258.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.