Home / 815,891.40-1,224,096.30-366,438.60

Finding the Fourth Proportional to 815,891.40, 1,224,096.30 and 366,438.60

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Solution

The fourth proportional to 815,891.40, 1,224,096.30 and 366,438.60 is: 549,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,891.40 : 1,224,096.30 = 366,438.60 : x
  2. Step 2: Convert to fraction form
    815,891.40/1,224,096.30 = 366,438.60/x
  3. Step 3: Cross multiply
    815,891.40x = 1,224,096.30 × 366,438.60
  4. Step 4: Simplify right side
    815,891.40x = 448,556,134,437.18
  5. Step 5: Solve for x
    x = 448,556,134,437.18/815,891.40
  6. Step 6: Final answer
    x = 549,774.31

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1.5x scale

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.