Home / 693,869.82-1,038,925.53-360,745.98

Finding the Fourth Proportional to 693,869.82, 1,038,925.53 and 360,745.98

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Solution

The fourth proportional to 693,869.82, 1,038,925.53 and 360,745.98 is: 540,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,869.82 : 1,038,925.53 = 360,745.98 : x
  2. Step 2: Convert to fraction form
    693,869.82/1,038,925.53 = 360,745.98/x
  3. Step 3: Cross multiply
    693,869.82x = 1,038,925.53 × 360,745.98
  4. Step 4: Simplify right side
    693,869.82x = 374,788,208,466.87
  5. Step 5: Solve for x
    x = 374,788,208,466.87/693,869.82
  6. Step 6: Final answer
    x = 540,141.97

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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.