Home / 729,924.78-1,007,224.23-407,627.96

Finding the Fourth Proportional to 729,924.78, 1,007,224.23 and 407,627.96

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Solution

The fourth proportional to 729,924.78, 1,007,224.23 and 407,627.96 is: 562,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,924.78 : 1,007,224.23 = 407,627.96 : x
  2. Step 2: Convert to fraction form
    729,924.78/1,007,224.23 = 407,627.96/x
  3. Step 3: Cross multiply
    729,924.78x = 1,007,224.23 × 407,627.96
  4. Step 4: Simplify right side
    729,924.78x = 410,572,758,137.47
  5. Step 5: Solve for x
    x = 410,572,758,137.47/729,924.78
  6. Step 6: Final answer
    x = 562,486.40

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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.