Home / 966,563.92-1,449,047.64-426,435.28

Finding the Fourth Proportional to 966,563.92, 1,449,047.64 and 426,435.28

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Solution

The fourth proportional to 966,563.92, 1,449,047.64 and 426,435.28 is: 639,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,563.92 : 1,449,047.64 = 426,435.28 : x
  2. Step 2: Convert to fraction form
    966,563.92/1,449,047.64 = 426,435.28/x
  3. Step 3: Cross multiply
    966,563.92x = 1,449,047.64 × 426,435.28
  4. Step 4: Simplify right side
    966,563.92x = 617,925,036,096.74
  5. Step 5: Solve for x
    x = 617,925,036,096.74/966,563.92
  6. Step 6: Final answer
    x = 639,300.75

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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.