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Finding the Fourth Proportional to 536,940.69, 740,962.48 and 295,223.01

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Solution

The fourth proportional to 536,940.69, 740,962.48 and 295,223.01 is: 407,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,940.69 : 740,962.48 = 295,223.01 : x
  2. Step 2: Convert to fraction form
    536,940.69/740,962.48 = 295,223.01/x
  3. Step 3: Cross multiply
    536,940.69x = 740,962.48 × 295,223.01
  4. Step 4: Simplify right side
    536,940.69x = 218,749,173,642.67
  5. Step 5: Solve for x
    x = 218,749,173,642.67/536,940.69
  6. Step 6: Final answer
    x = 407,399.14

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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.