Home / 841,533.79-1,262,311.84-280,568.47

Finding the Fourth Proportional to 841,533.79, 1,262,311.84 and 280,568.47

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Solution

The fourth proportional to 841,533.79, 1,262,311.84 and 280,568.47 is: 420,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,533.79 : 1,262,311.84 = 280,568.47 : x
  2. Step 2: Convert to fraction form
    841,533.79/1,262,311.84 = 280,568.47/x
  3. Step 3: Cross multiply
    841,533.79x = 1,262,311.84 × 280,568.47
  4. Step 4: Simplify right side
    841,533.79x = 354,164,895,300.13
  5. Step 5: Solve for x
    x = 354,164,895,300.13/841,533.79
  6. Step 6: Final answer
    x = 420,856.42

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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.