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Finding the Fourth Proportional to 581,407.44, 801,824.64 and 377,263.44

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Solution

The fourth proportional to 581,407.44, 801,824.64 and 377,263.44 is: 520,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,407.44 : 801,824.64 = 377,263.44 : x
  2. Step 2: Convert to fraction form
    581,407.44/801,824.64 = 377,263.44/x
  3. Step 3: Cross multiply
    581,407.44x = 801,824.64 × 377,263.44
  4. Step 4: Simplify right side
    581,407.44x = 302,499,121,963.16
  5. Step 5: Solve for x
    x = 302,499,121,963.16/581,407.44
  6. Step 6: Final answer
    x = 520,287.67

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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.