Home / 746,730.10-1,120,099.20-185,764.60

Finding the Fourth Proportional to 746,730.10, 1,120,099.20 and 185,764.60

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Solution

The fourth proportional to 746,730.10, 1,120,099.20 and 185,764.60 is: 278,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,730.10 : 1,120,099.20 = 185,764.60 : x
  2. Step 2: Convert to fraction form
    746,730.10/1,120,099.20 = 185,764.60/x
  3. Step 3: Cross multiply
    746,730.10x = 1,120,099.20 × 185,764.60
  4. Step 4: Simplify right side
    746,730.10x = 208,074,779,848.32
  5. Step 5: Solve for x
    x = 208,074,779,848.32/746,730.10
  6. Step 6: Final answer
    x = 278,647.91

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1.5x scale

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.