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Finding the Fourth Proportional to 401,041.55, 601,812 and 363,669.36

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Solution

The fourth proportional to 401,041.55, 601,812 and 363,669.36 is: 545,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,041.55 : 601,812 = 363,669.36 : x
  2. Step 2: Convert to fraction form
    401,041.55/601,812 = 363,669.36/x
  3. Step 3: Cross multiply
    401,041.55x = 601,812 × 363,669.36
  4. Step 4: Simplify right side
    401,041.55x = 218,860,584,880.32
  5. Step 5: Solve for x
    x = 218,860,584,880.32/401,041.55
  6. Step 6: Final answer
    x = 545,730.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.