Home / 890,415.99-1,334,223.09-688,505.27

Finding the Fourth Proportional to 890,415.99, 1,334,223.09 and 688,505.27

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Solution

The fourth proportional to 890,415.99, 1,334,223.09 and 688,505.27 is: 1,031,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,415.99 : 1,334,223.09 = 688,505.27 : x
  2. Step 2: Convert to fraction form
    890,415.99/1,334,223.09 = 688,505.27/x
  3. Step 3: Cross multiply
    890,415.99x = 1,334,223.09 × 688,505.27
  4. Step 4: Simplify right side
    890,415.99x = 918,619,622,149.57
  5. Step 5: Solve for x
    x = 918,619,622,149.57/890,415.99
  6. Step 6: Final answer
    x = 1,031,674.67

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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.