Home / 702,985.20-1,054,477.80-323,905.20

Finding the Fourth Proportional to 702,985.20, 1,054,477.80 and 323,905.20

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Solution

The fourth proportional to 702,985.20, 1,054,477.80 and 323,905.20 is: 485,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,985.20 : 1,054,477.80 = 323,905.20 : x
  2. Step 2: Convert to fraction form
    702,985.20/1,054,477.80 = 323,905.20/x
  3. Step 3: Cross multiply
    702,985.20x = 1,054,477.80 × 323,905.20
  4. Step 4: Simplify right side
    702,985.20x = 341,550,842,704.56
  5. Step 5: Solve for x
    x = 341,550,842,704.56/702,985.20
  6. Step 6: Final answer
    x = 485,857.80

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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.