Home / 692,409.87-1,038,667.34-186,963.49

Finding the Fourth Proportional to 692,409.87, 1,038,667.34 and 186,963.49

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Solution

The fourth proportional to 692,409.87, 1,038,667.34 and 186,963.49 is: 280,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,409.87 : 1,038,667.34 = 186,963.49 : x
  2. Step 2: Convert to fraction form
    692,409.87/1,038,667.34 = 186,963.49/x
  3. Step 3: Cross multiply
    692,409.87x = 1,038,667.34 × 186,963.49
  4. Step 4: Simplify right side
    692,409.87x = 194,192,870,368.01
  5. Step 5: Solve for x
    x = 194,192,870,368.01/692,409.87
  6. Step 6: Final answer
    x = 280,459.42

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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.