Home / 672,416.43-927,935.03-382,028.51

Finding the Fourth Proportional to 672,416.43, 927,935.03 and 382,028.51

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Solution

The fourth proportional to 672,416.43, 927,935.03 and 382,028.51 is: 527,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,416.43 : 927,935.03 = 382,028.51 : x
  2. Step 2: Convert to fraction form
    672,416.43/927,935.03 = 382,028.51/x
  3. Step 3: Cross multiply
    672,416.43x = 927,935.03 × 382,028.51
  4. Step 4: Simplify right side
    672,416.43x = 354,497,637,297.40
  5. Step 5: Solve for x
    x = 354,497,637,297.40/672,416.43
  6. Step 6: Final answer
    x = 527,199.55

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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.