Home / 671,742.43-926,962.55-369,936.43

Finding the Fourth Proportional to 671,742.43, 926,962.55 and 369,936.43

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Solution

The fourth proportional to 671,742.43, 926,962.55 and 369,936.43 is: 510,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,742.43 : 926,962.55 = 369,936.43 : x
  2. Step 2: Convert to fraction form
    671,742.43/926,962.55 = 369,936.43/x
  3. Step 3: Cross multiply
    671,742.43x = 926,962.55 × 369,936.43
  4. Step 4: Simplify right side
    671,742.43x = 342,917,215,098.13
  5. Step 5: Solve for x
    x = 342,917,215,098.13/671,742.43
  6. Step 6: Final answer
    x = 510,489.14

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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.