Home / 486,338.04-671,028.30-285,095.16

Finding the Fourth Proportional to 486,338.04, 671,028.30 and 285,095.16

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Solution

The fourth proportional to 486,338.04, 671,028.30 and 285,095.16 is: 393,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,338.04 : 671,028.30 = 285,095.16 : x
  2. Step 2: Convert to fraction form
    486,338.04/671,028.30 = 285,095.16/x
  3. Step 3: Cross multiply
    486,338.04x = 671,028.30 × 285,095.16
  4. Step 4: Simplify right side
    486,338.04x = 191,306,920,553.03
  5. Step 5: Solve for x
    x = 191,306,920,553.03/486,338.04
  6. Step 6: Final answer
    x = 393,362.03

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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.