Home / 730,007.54-1,007,310.82-407,676.54

Finding the Fourth Proportional to 730,007.54, 1,007,310.82 and 407,676.54

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Solution

The fourth proportional to 730,007.54, 1,007,310.82 and 407,676.54 is: 562,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,007.54 : 1,007,310.82 = 407,676.54 : x
  2. Step 2: Convert to fraction form
    730,007.54/1,007,310.82 = 407,676.54/x
  3. Step 3: Cross multiply
    730,007.54x = 1,007,310.82 × 407,676.54
  4. Step 4: Simplify right side
    730,007.54x = 410,656,989,802.16
  5. Step 5: Solve for x
    x = 410,656,989,802.16/730,007.54
  6. Step 6: Final answer
    x = 562,538.01

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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.