Home / 704,513.07-1,055,369.93-388,185.39

Finding the Fourth Proportional to 704,513.07, 1,055,369.93 and 388,185.39

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Solution

The fourth proportional to 704,513.07, 1,055,369.93 and 388,185.39 is: 581,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,513.07 : 1,055,369.93 = 388,185.39 : x
  2. Step 2: Convert to fraction form
    704,513.07/1,055,369.93 = 388,185.39/x
  3. Step 3: Cross multiply
    704,513.07x = 1,055,369.93 × 388,185.39
  4. Step 4: Simplify right side
    704,513.07x = 409,679,185,930.40
  5. Step 5: Solve for x
    x = 409,679,185,930.40/704,513.07
  6. Step 6: Final answer
    x = 581,506.86

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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.