Home / 525,107.10-788,049.45-347,555.10

Finding the Fourth Proportional to 525,107.10, 788,049.45 and 347,555.10

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Solution

The fourth proportional to 525,107.10, 788,049.45 and 347,555.10 is: 521,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,107.10 : 788,049.45 = 347,555.10 : x
  2. Step 2: Convert to fraction form
    525,107.10/788,049.45 = 347,555.10/x
  3. Step 3: Cross multiply
    525,107.10x = 788,049.45 × 347,555.10
  4. Step 4: Simplify right side
    525,107.10x = 273,890,605,399.70
  5. Step 5: Solve for x
    x = 273,890,605,399.70/525,107.10
  6. Step 6: Final answer
    x = 521,589.99

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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.