Home / 900,311.40-1,348,652.70-562,314.60

Finding the Fourth Proportional to 900,311.40, 1,348,652.70 and 562,314.60

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Solution

The fourth proportional to 900,311.40, 1,348,652.70 and 562,314.60 is: 842,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,311.40 : 1,348,652.70 = 562,314.60 : x
  2. Step 2: Convert to fraction form
    900,311.40/1,348,652.70 = 562,314.60/x
  3. Step 3: Cross multiply
    900,311.40x = 1,348,652.70 × 562,314.60
  4. Step 4: Simplify right side
    900,311.40x = 758,367,103,539.42
  5. Step 5: Solve for x
    x = 758,367,103,539.42/900,311.40
  6. Step 6: Final answer
    x = 842,338.67

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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.