Home / 892,988.40-1,339,941.90-493,554.72

Finding the Fourth Proportional to 892,988.40, 1,339,941.90 and 493,554.72

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Solution

The fourth proportional to 892,988.40, 1,339,941.90 and 493,554.72 is: 740,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,988.40 : 1,339,941.90 = 493,554.72 : x
  2. Step 2: Convert to fraction form
    892,988.40/1,339,941.90 = 493,554.72/x
  3. Step 3: Cross multiply
    892,988.40x = 1,339,941.90 × 493,554.72
  4. Step 4: Simplify right side
    892,988.40x = 661,334,649,270.77
  5. Step 5: Solve for x
    x = 661,334,649,270.77/892,988.40
  6. Step 6: Final answer
    x = 740,585.94

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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.