Home / 753,405.70-1,130,108.55-501,025.90

Finding the Fourth Proportional to 753,405.70, 1,130,108.55 and 501,025.90

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Solution

The fourth proportional to 753,405.70, 1,130,108.55 and 501,025.90 is: 751,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,405.70 : 1,130,108.55 = 501,025.90 : x
  2. Step 2: Convert to fraction form
    753,405.70/1,130,108.55 = 501,025.90/x
  3. Step 3: Cross multiply
    753,405.70x = 1,130,108.55 × 501,025.90
  4. Step 4: Simplify right side
    753,405.70x = 566,213,653,361.45
  5. Step 5: Solve for x
    x = 566,213,653,361.45/753,405.70
  6. Step 6: Final answer
    x = 751,538.85

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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.