Home / 698,563.24-1,045,756.24-427,838.90

Finding the Fourth Proportional to 698,563.24, 1,045,756.24 and 427,838.90

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Solution

The fourth proportional to 698,563.24, 1,045,756.24 and 427,838.90 is: 640,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,563.24 : 1,045,756.24 = 427,838.90 : x
  2. Step 2: Convert to fraction form
    698,563.24/1,045,756.24 = 427,838.90/x
  3. Step 3: Cross multiply
    698,563.24x = 1,045,756.24 × 427,838.90
  4. Step 4: Simplify right side
    698,563.24x = 447,415,193,091.36
  5. Step 5: Solve for x
    x = 447,415,193,091.36/698,563.24
  6. Step 6: Final answer
    x = 640,479.16

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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.