Home / 905,155.07-1,357,907.44-344,145.95

Finding the Fourth Proportional to 905,155.07, 1,357,907.44 and 344,145.95

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Solution

The fourth proportional to 905,155.07, 1,357,907.44 and 344,145.95 is: 516,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,155.07 : 1,357,907.44 = 344,145.95 : x
  2. Step 2: Convert to fraction form
    905,155.07/1,357,907.44 = 344,145.95/x
  3. Step 3: Cross multiply
    905,155.07x = 1,357,907.44 × 344,145.95
  4. Step 4: Simplify right side
    905,155.07x = 467,318,337,440.60
  5. Step 5: Solve for x
    x = 467,318,337,440.60/905,155.07
  6. Step 6: Final answer
    x = 516,285.39

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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.