Home / 730,021.14-1,007,418.60-407,735.91

Finding the Fourth Proportional to 730,021.14, 1,007,418.60 and 407,735.91

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Solution

The fourth proportional to 730,021.14, 1,007,418.60 and 407,735.91 is: 562,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,021.14 : 1,007,418.60 = 407,735.91 : x
  2. Step 2: Convert to fraction form
    730,021.14/1,007,418.60 = 407,735.91/x
  3. Step 3: Cross multiply
    730,021.14x = 1,007,418.60 × 407,735.91
  4. Step 4: Simplify right side
    730,021.14x = 410,760,739,621.93
  5. Step 5: Solve for x
    x = 410,760,739,621.93/730,021.14
  6. Step 6: Final answer
    x = 562,669.65

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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.