Home / 842,541.35-1,263,549.58-281,444.63

Finding the Fourth Proportional to 842,541.35, 1,263,549.58 and 281,444.63

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Solution

The fourth proportional to 842,541.35, 1,263,549.58 and 281,444.63 is: 422,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,541.35 : 1,263,549.58 = 281,444.63 : x
  2. Step 2: Convert to fraction form
    842,541.35/1,263,549.58 = 281,444.63/x
  3. Step 3: Cross multiply
    842,541.35x = 1,263,549.58 × 281,444.63
  4. Step 4: Simplify right side
    842,541.35x = 355,619,237,008.40
  5. Step 5: Solve for x
    x = 355,619,237,008.40/842,541.35
  6. Step 6: Final answer
    x = 422,079.27

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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.