Home / 991,467.57-1,368,211.46-549,928.67

Finding the Fourth Proportional to 991,467.57, 1,368,211.46 and 549,928.67

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Solution

The fourth proportional to 991,467.57, 1,368,211.46 and 549,928.67 is: 758,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,467.57 : 1,368,211.46 = 549,928.67 : x
  2. Step 2: Convert to fraction form
    991,467.57/1,368,211.46 = 549,928.67/x
  3. Step 3: Cross multiply
    991,467.57x = 1,368,211.46 × 549,928.67
  4. Step 4: Simplify right side
    991,467.57x = 752,418,706,600.67
  5. Step 5: Solve for x
    x = 752,418,706,600.67/991,467.57
  6. Step 6: Final answer
    x = 758,893.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.