Home / 905,353.02-1,358,032.50-336,859.38

Finding the Fourth Proportional to 905,353.02, 1,358,032.50 and 336,859.38

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Solution

The fourth proportional to 905,353.02, 1,358,032.50 and 336,859.38 is: 505,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,353.02 : 1,358,032.50 = 336,859.38 : x
  2. Step 2: Convert to fraction form
    905,353.02/1,358,032.50 = 336,859.38/x
  3. Step 3: Cross multiply
    905,353.02x = 1,358,032.50 × 336,859.38
  4. Step 4: Simplify right side
    905,353.02x = 457,465,985,969.85
  5. Step 5: Solve for x
    x = 457,465,985,969.85/905,353.02
  6. Step 6: Final answer
    x = 505,290.18

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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.