Home / 730,063.92-1,007,477.44-407,778.72

Finding the Fourth Proportional to 730,063.92, 1,007,477.44 and 407,778.72

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Solution

The fourth proportional to 730,063.92, 1,007,477.44 and 407,778.72 is: 562,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,063.92 : 1,007,477.44 = 407,778.72 : x
  2. Step 2: Convert to fraction form
    730,063.92/1,007,477.44 = 407,778.72/x
  3. Step 3: Cross multiply
    730,063.92x = 1,007,477.44 × 407,778.72
  4. Step 4: Simplify right side
    730,063.92x = 410,827,860,912.08
  5. Step 5: Solve for x
    x = 410,827,860,912.08/730,063.92
  6. Step 6: Final answer
    x = 562,728.62

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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.