Home / 738,704.01-1,019,237.91-448,309.14

Finding the Fourth Proportional to 738,704.01, 1,019,237.91 and 448,309.14

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Solution

The fourth proportional to 738,704.01, 1,019,237.91 and 448,309.14 is: 618,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,704.01 : 1,019,237.91 = 448,309.14 : x
  2. Step 2: Convert to fraction form
    738,704.01/1,019,237.91 = 448,309.14/x
  3. Step 3: Cross multiply
    738,704.01x = 1,019,237.91 × 448,309.14
  4. Step 4: Simplify right side
    738,704.01x = 456,933,670,887.50
  5. Step 5: Solve for x
    x = 456,933,670,887.50/738,704.01
  6. Step 6: Final answer
    x = 618,561.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.