Home / 973,189.80-1,343,005.11-543,485.88

Finding the Fourth Proportional to 973,189.80, 1,343,005.11 and 543,485.88

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Solution

The fourth proportional to 973,189.80, 1,343,005.11 and 543,485.88 is: 750,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,189.80 : 1,343,005.11 = 543,485.88 : x
  2. Step 2: Convert to fraction form
    973,189.80/1,343,005.11 = 543,485.88/x
  3. Step 3: Cross multiply
    973,189.80x = 1,343,005.11 × 543,485.88
  4. Step 4: Simplify right side
    973,189.80x = 729,904,314,052.85
  5. Step 5: Solve for x
    x = 729,904,314,052.85/973,189.80
  6. Step 6: Final answer
    x = 750,012.29

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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.