Home / 909,438.45-1,364,162.40-235,472.55

Finding the Fourth Proportional to 909,438.45, 1,364,162.40 and 235,472.55

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Solution

The fourth proportional to 909,438.45, 1,364,162.40 and 235,472.55 is: 353,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,438.45 : 1,364,162.40 = 235,472.55 : x
  2. Step 2: Convert to fraction form
    909,438.45/1,364,162.40 = 235,472.55/x
  3. Step 3: Cross multiply
    909,438.45x = 1,364,162.40 × 235,472.55
  4. Step 4: Simplify right side
    909,438.45x = 321,222,798,942.12
  5. Step 5: Solve for x
    x = 321,222,798,942.12/909,438.45
  6. Step 6: Final answer
    x = 353,210.05

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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.