Home / 887,849.49-1,331,786.51-288,813.78

Finding the Fourth Proportional to 887,849.49, 1,331,786.51 and 288,813.78

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Solution

The fourth proportional to 887,849.49, 1,331,786.51 and 288,813.78 is: 433,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,849.49 : 1,331,786.51 = 288,813.78 : x
  2. Step 2: Convert to fraction form
    887,849.49/1,331,786.51 = 288,813.78/x
  3. Step 3: Cross multiply
    887,849.49x = 1,331,786.51 × 288,813.78
  4. Step 4: Simplify right side
    887,849.49x = 384,638,294,662.04
  5. Step 5: Solve for x
    x = 384,638,294,662.04/887,849.49
  6. Step 6: Final answer
    x = 433,224.66

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1.5x scale

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.