Home / 753,683.94-1,129,890.31-326,898.41

Finding the Fourth Proportional to 753,683.94, 1,129,890.31 and 326,898.41

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Solution

The fourth proportional to 753,683.94, 1,129,890.31 and 326,898.41 is: 490,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,683.94 : 1,129,890.31 = 326,898.41 : x
  2. Step 2: Convert to fraction form
    753,683.94/1,129,890.31 = 326,898.41/x
  3. Step 3: Cross multiply
    753,683.94x = 1,129,890.31 × 326,898.41
  4. Step 4: Simplify right side
    753,683.94x = 369,359,344,363.33
  5. Step 5: Solve for x
    x = 369,359,344,363.33/753,683.94
  6. Step 6: Final answer
    x = 490,071.93

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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.