Home / 686,919.60-1,030,368.60-188,283.60

Finding the Fourth Proportional to 686,919.60, 1,030,368.60 and 188,283.60

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Solution

The fourth proportional to 686,919.60, 1,030,368.60 and 188,283.60 is: 282,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,919.60 : 1,030,368.60 = 188,283.60 : x
  2. Step 2: Convert to fraction form
    686,919.60/1,030,368.60 = 188,283.60/x
  3. Step 3: Cross multiply
    686,919.60x = 1,030,368.60 × 188,283.60
  4. Step 4: Simplify right side
    686,919.60x = 194,001,509,334.96
  5. Step 5: Solve for x
    x = 194,001,509,334.96/686,919.60
  6. Step 6: Final answer
    x = 282,422.44

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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.