Home / 825,002.70-1,235,430.45-659,114.70

Finding the Fourth Proportional to 825,002.70, 1,235,430.45 and 659,114.70

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Solution

The fourth proportional to 825,002.70, 1,235,430.45 and 659,114.70 is: 987,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,002.70 : 1,235,430.45 = 659,114.70 : x
  2. Step 2: Convert to fraction form
    825,002.70/1,235,430.45 = 659,114.70/x
  3. Step 3: Cross multiply
    825,002.70x = 1,235,430.45 × 659,114.70
  4. Step 4: Simplify right side
    825,002.70x = 814,290,370,422.62
  5. Step 5: Solve for x
    x = 814,290,370,422.62/825,002.70
  6. Step 6: Final answer
    x = 987,015.40

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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.