Home / 909,435.76-1,364,259-302,278.36

Finding the Fourth Proportional to 909,435.76, 1,364,259 and 302,278.36

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Solution

The fourth proportional to 909,435.76, 1,364,259 and 302,278.36 is: 453,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,435.76 : 1,364,259 = 302,278.36 : x
  2. Step 2: Convert to fraction form
    909,435.76/1,364,259 = 302,278.36/x
  3. Step 3: Cross multiply
    909,435.76x = 1,364,259 × 302,278.36
  4. Step 4: Simplify right side
    909,435.76x = 412,385,973,135.24
  5. Step 5: Solve for x
    x = 412,385,973,135.24/909,435.76
  6. Step 6: Final answer
    x = 453,452.56

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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.