Home / 976,607.64-1,347,653.21-540,995.49

Finding the Fourth Proportional to 976,607.64, 1,347,653.21 and 540,995.49

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Solution

The fourth proportional to 976,607.64, 1,347,653.21 and 540,995.49 is: 746,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,607.64 : 1,347,653.21 = 540,995.49 : x
  2. Step 2: Convert to fraction form
    976,607.64/1,347,653.21 = 540,995.49/x
  3. Step 3: Cross multiply
    976,607.64x = 1,347,653.21 × 540,995.49
  4. Step 4: Simplify right side
    976,607.64x = 729,074,305,989.05
  5. Step 5: Solve for x
    x = 729,074,305,989.05/976,607.64
  6. Step 6: Final answer
    x = 746,537.58

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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.