Home / 938,816.61-1,408,803.12-370,100.94

Finding the Fourth Proportional to 938,816.61, 1,408,803.12 and 370,100.94

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Solution

The fourth proportional to 938,816.61, 1,408,803.12 and 370,100.94 is: 555,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,816.61 : 1,408,803.12 = 370,100.94 : x
  2. Step 2: Convert to fraction form
    938,816.61/1,408,803.12 = 370,100.94/x
  3. Step 3: Cross multiply
    938,816.61x = 1,408,803.12 × 370,100.94
  4. Step 4: Simplify right side
    938,816.61x = 521,399,358,986.93
  5. Step 5: Solve for x
    x = 521,399,358,986.93/938,816.61
  6. Step 6: Final answer
    x = 555,379.35

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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.