Home / 704,367.80-1,057,329.30-438,428.60

Finding the Fourth Proportional to 704,367.80, 1,057,329.30 and 438,428.60

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Solution

The fourth proportional to 704,367.80, 1,057,329.30 and 438,428.60 is: 658,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,367.80 : 1,057,329.30 = 438,428.60 : x
  2. Step 2: Convert to fraction form
    704,367.80/1,057,329.30 = 438,428.60/x
  3. Step 3: Cross multiply
    704,367.80x = 1,057,329.30 × 438,428.60
  4. Step 4: Simplify right side
    704,367.80x = 463,563,404,737.98
  5. Step 5: Solve for x
    x = 463,563,404,737.98/704,367.80
  6. Step 6: Final answer
    x = 658,126.91

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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.