Home / 976,131.03-1,347,043.94-540,539.75

Finding the Fourth Proportional to 976,131.03, 1,347,043.94 and 540,539.75

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Solution

The fourth proportional to 976,131.03, 1,347,043.94 and 540,539.75 is: 745,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,131.03 : 1,347,043.94 = 540,539.75 : x
  2. Step 2: Convert to fraction form
    976,131.03/1,347,043.94 = 540,539.75/x
  3. Step 3: Cross multiply
    976,131.03x = 1,347,043.94 × 540,539.75
  4. Step 4: Simplify right side
    976,131.03x = 728,130,789,681.43
  5. Step 5: Solve for x
    x = 728,130,789,681.43/976,131.03
  6. Step 6: Final answer
    x = 745,935.50

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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.