Home / 683,637.27-943,474.64-377,740.43

Finding the Fourth Proportional to 683,637.27, 943,474.64 and 377,740.43

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Solution

The fourth proportional to 683,637.27, 943,474.64 and 377,740.43 is: 521,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,637.27 : 943,474.64 = 377,740.43 : x
  2. Step 2: Convert to fraction form
    683,637.27/943,474.64 = 377,740.43/x
  3. Step 3: Cross multiply
    683,637.27x = 943,474.64 × 377,740.43
  4. Step 4: Simplify right side
    683,637.27x = 356,388,513,139.65
  5. Step 5: Solve for x
    x = 356,388,513,139.65/683,637.27
  6. Step 6: Final answer
    x = 521,312.30

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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.