Home / 909,941.40-1,364,912.10-377,406.90

Finding the Fourth Proportional to 909,941.40, 1,364,912.10 and 377,406.90

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Solution

The fourth proportional to 909,941.40, 1,364,912.10 and 377,406.90 is: 566,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,941.40 : 1,364,912.10 = 377,406.90 : x
  2. Step 2: Convert to fraction form
    909,941.40/1,364,912.10 = 377,406.90/x
  3. Step 3: Cross multiply
    909,941.40x = 1,364,912.10 × 377,406.90
  4. Step 4: Simplify right side
    909,941.40x = 515,127,244,433.49
  5. Step 5: Solve for x
    x = 515,127,244,433.49/909,941.40
  6. Step 6: Final answer
    x = 566,110.35

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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.