Home / 903,914.20-1,355,871.30-526,000.60

Finding the Fourth Proportional to 903,914.20, 1,355,871.30 and 526,000.60

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Solution

The fourth proportional to 903,914.20, 1,355,871.30 and 526,000.60 is: 789,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,914.20 : 1,355,871.30 = 526,000.60 : x
  2. Step 2: Convert to fraction form
    903,914.20/1,355,871.30 = 526,000.60/x
  3. Step 3: Cross multiply
    903,914.20x = 1,355,871.30 × 526,000.60
  4. Step 4: Simplify right side
    903,914.20x = 713,189,117,322.78
  5. Step 5: Solve for x
    x = 713,189,117,322.78/903,914.20
  6. Step 6: Final answer
    x = 789,000.90

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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.