Home / 903,646.98-1,354,589.19-430,205.22

Finding the Fourth Proportional to 903,646.98, 1,354,589.19 and 430,205.22

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Solution

The fourth proportional to 903,646.98, 1,354,589.19 and 430,205.22 is: 644,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,646.98 : 1,354,589.19 = 430,205.22 : x
  2. Step 2: Convert to fraction form
    903,646.98/1,354,589.19 = 430,205.22/x
  3. Step 3: Cross multiply
    903,646.98x = 1,354,589.19 × 430,205.22
  4. Step 4: Simplify right side
    903,646.98x = 582,751,340,493.57
  5. Step 5: Solve for x
    x = 582,751,340,493.57/903,646.98
  6. Step 6: Final answer
    x = 644,888.27

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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.