Home / 803,727.81-1,109,140.48-441,157.84

Finding the Fourth Proportional to 803,727.81, 1,109,140.48 and 441,157.84

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Solution

The fourth proportional to 803,727.81, 1,109,140.48 and 441,157.84 is: 608,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,727.81 : 1,109,140.48 = 441,157.84 : x
  2. Step 2: Convert to fraction form
    803,727.81/1,109,140.48 = 441,157.84/x
  3. Step 3: Cross multiply
    803,727.81x = 1,109,140.48 × 441,157.84
  4. Step 4: Simplify right side
    803,727.81x = 489,306,014,537.62
  5. Step 5: Solve for x
    x = 489,306,014,537.62/803,727.81
  6. Step 6: Final answer
    x = 608,795.67

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Double scale
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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.