Home / 841,874.42-1,262,822.58-280,908.92

Finding the Fourth Proportional to 841,874.42, 1,262,822.58 and 280,908.92

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Solution

The fourth proportional to 841,874.42, 1,262,822.58 and 280,908.92 is: 421,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,874.42 : 1,262,822.58 = 280,908.92 : x
  2. Step 2: Convert to fraction form
    841,874.42/1,262,822.58 = 280,908.92/x
  3. Step 3: Cross multiply
    841,874.42x = 1,262,822.58 × 280,908.92
  4. Step 4: Simplify right side
    841,874.42x = 354,738,127,099.41
  5. Step 5: Solve for x
    x = 354,738,127,099.41/841,874.42
  6. Step 6: Final answer
    x = 421,367.03

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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.