Home / 698,575.80-1,047,863.70-325,327.80

Finding the Fourth Proportional to 698,575.80, 1,047,863.70 and 325,327.80

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Solution

The fourth proportional to 698,575.80, 1,047,863.70 and 325,327.80 is: 487,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,575.80 : 1,047,863.70 = 325,327.80 : x
  2. Step 2: Convert to fraction form
    698,575.80/1,047,863.70 = 325,327.80/x
  3. Step 3: Cross multiply
    698,575.80x = 1,047,863.70 × 325,327.80
  4. Step 4: Simplify right side
    698,575.80x = 340,899,192,220.86
  5. Step 5: Solve for x
    x = 340,899,192,220.86/698,575.80
  6. Step 6: Final answer
    x = 487,991.70

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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.