Home / 1,284,922.85-1,927,209.31-338,214.29

Finding the Fourth Proportional to 1,284,922.85, 1,927,209.31 and 338,214.29

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Solution

The fourth proportional to 1,284,922.85, 1,927,209.31 and 338,214.29 is: 507,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,922.85 : 1,927,209.31 = 338,214.29 : x
  2. Step 2: Convert to fraction form
    1,284,922.85/1,927,209.31 = 338,214.29/x
  3. Step 3: Cross multiply
    1,284,922.85x = 1,927,209.31 × 338,214.29
  4. Step 4: Simplify right side
    1,284,922.85x = 651,809,717,981.46
  5. Step 5: Solve for x
    x = 651,809,717,981.46/1,284,922.85
  6. Step 6: Final answer
    x = 507,275.37

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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.