Home / 810,389.49-1,215,631.79-304,954.77

Finding the Fourth Proportional to 810,389.49, 1,215,631.79 and 304,954.77

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Solution

The fourth proportional to 810,389.49, 1,215,631.79 and 304,954.77 is: 457,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,389.49 : 1,215,631.79 = 304,954.77 : x
  2. Step 2: Convert to fraction form
    810,389.49/1,215,631.79 = 304,954.77/x
  3. Step 3: Cross multiply
    810,389.49x = 1,215,631.79 × 304,954.77
  4. Step 4: Simplify right side
    810,389.49x = 370,712,712,924.14
  5. Step 5: Solve for x
    x = 370,712,712,924.14/810,389.49
  6. Step 6: Final answer
    x = 457,450.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.