Home / 698,905.80-1,048,358.70-459,757.35

Finding the Fourth Proportional to 698,905.80, 1,048,358.70 and 459,757.35

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Solution

The fourth proportional to 698,905.80, 1,048,358.70 and 459,757.35 is: 689,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,905.80 : 1,048,358.70 = 459,757.35 : x
  2. Step 2: Convert to fraction form
    698,905.80/1,048,358.70 = 459,757.35/x
  3. Step 3: Cross multiply
    698,905.80x = 1,048,358.70 × 459,757.35
  4. Step 4: Simplify right side
    698,905.80x = 481,990,617,761.45
  5. Step 5: Solve for x
    x = 481,990,617,761.45/698,905.80
  6. Step 6: Final answer
    x = 689,636.03

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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.