Home / 734,333.62-1,013,388.56-407,668.72

Finding the Fourth Proportional to 734,333.62, 1,013,388.56 and 407,668.72

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Solution

The fourth proportional to 734,333.62, 1,013,388.56 and 407,668.72 is: 562,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,333.62 : 1,013,388.56 = 407,668.72 : x
  2. Step 2: Convert to fraction form
    734,333.62/1,013,388.56 = 407,668.72/x
  3. Step 3: Cross multiply
    734,333.62x = 1,013,388.56 × 407,668.72
  4. Step 4: Simplify right side
    734,333.62x = 413,126,814,584.37
  5. Step 5: Solve for x
    x = 413,126,814,584.37/734,333.62
  6. Step 6: Final answer
    x = 562,587.36

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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.