Home / 903,645.11-1,354,586.37-430,203.35

Finding the Fourth Proportional to 903,645.11, 1,354,586.37 and 430,203.35

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Solution

The fourth proportional to 903,645.11, 1,354,586.37 and 430,203.35 is: 644,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,645.11 : 1,354,586.37 = 430,203.35 : x
  2. Step 2: Convert to fraction form
    903,645.11/1,354,586.37 = 430,203.35/x
  3. Step 3: Cross multiply
    903,645.11x = 1,354,586.37 × 430,203.35
  4. Step 4: Simplify right side
    903,645.11x = 582,747,587,465.41
  5. Step 5: Solve for x
    x = 582,747,587,465.41/903,645.11
  6. Step 6: Final answer
    x = 644,885.46

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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.