Home / 905,539.07-1,358,504.63-274,500.47

Finding the Fourth Proportional to 905,539.07, 1,358,504.63 and 274,500.47

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Solution

The fourth proportional to 905,539.07, 1,358,504.63 and 274,500.47 is: 411,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,539.07 : 1,358,504.63 = 274,500.47 : x
  2. Step 2: Convert to fraction form
    905,539.07/1,358,504.63 = 274,500.47/x
  3. Step 3: Cross multiply
    905,539.07x = 1,358,504.63 × 274,500.47
  4. Step 4: Simplify right side
    905,539.07x = 372,910,151,267.15
  5. Step 5: Solve for x
    x = 372,910,151,267.15/905,539.07
  6. Step 6: Final answer
    x = 411,810.12

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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.