Home / 745,847.40-1,118,652.30-247,211.40

Finding the Fourth Proportional to 745,847.40, 1,118,652.30 and 247,211.40

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Solution

The fourth proportional to 745,847.40, 1,118,652.30 and 247,211.40 is: 370,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,847.40 : 1,118,652.30 = 247,211.40 : x
  2. Step 2: Convert to fraction form
    745,847.40/1,118,652.30 = 247,211.40/x
  3. Step 3: Cross multiply
    745,847.40x = 1,118,652.30 × 247,211.40
  4. Step 4: Simplify right side
    745,847.40x = 276,543,601,196.22
  5. Step 5: Solve for x
    x = 276,543,601,196.22/745,847.40
  6. Step 6: Final answer
    x = 370,777.72

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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.