Home / 877,049.54-1,211,489.93-705,613.34

Finding the Fourth Proportional to 877,049.54, 1,211,489.93 and 705,613.34

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Solution

The fourth proportional to 877,049.54, 1,211,489.93 and 705,613.34 is: 974,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,049.54 : 1,211,489.93 = 705,613.34 : x
  2. Step 2: Convert to fraction form
    877,049.54/1,211,489.93 = 705,613.34/x
  3. Step 3: Cross multiply
    877,049.54x = 1,211,489.93 × 705,613.34
  4. Step 4: Simplify right side
    877,049.54x = 854,843,460,676.43
  5. Step 5: Solve for x
    x = 854,843,460,676.43/877,049.54
  6. Step 6: Final answer
    x = 974,680.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.