Home / 694,422.48-958,330.26-407,940.06

Finding the Fourth Proportional to 694,422.48, 958,330.26 and 407,940.06

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Solution

The fourth proportional to 694,422.48, 958,330.26 and 407,940.06 is: 562,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,422.48 : 958,330.26 = 407,940.06 : x
  2. Step 2: Convert to fraction form
    694,422.48/958,330.26 = 407,940.06/x
  3. Step 3: Cross multiply
    694,422.48x = 958,330.26 × 407,940.06
  4. Step 4: Simplify right side
    694,422.48x = 390,941,303,764.22
  5. Step 5: Solve for x
    x = 390,941,303,764.22/694,422.48
  6. Step 6: Final answer
    x = 562,973.28

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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.