Home / 891,762.84-1,337,645.31-379,295.28

Finding the Fourth Proportional to 891,762.84, 1,337,645.31 and 379,295.28

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Solution

The fourth proportional to 891,762.84, 1,337,645.31 and 379,295.28 is: 568,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,762.84 : 1,337,645.31 = 379,295.28 : x
  2. Step 2: Convert to fraction form
    891,762.84/1,337,645.31 = 379,295.28/x
  3. Step 3: Cross multiply
    891,762.84x = 1,337,645.31 × 379,295.28
  4. Step 4: Simplify right side
    891,762.84x = 507,362,552,397.14
  5. Step 5: Solve for x
    x = 507,362,552,397.14/891,762.84
  6. Step 6: Final answer
    x = 568,943.37

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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.