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Finding the Fourth Proportional to 501,050, 691,811.88 and 322,513.04

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Solution

The fourth proportional to 501,050, 691,811.88 and 322,513.04 is: 445,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,050 : 691,811.88 = 322,513.04 : x
  2. Step 2: Convert to fraction form
    501,050/691,811.88 = 322,513.04/x
  3. Step 3: Cross multiply
    501,050x = 691,811.88 × 322,513.04
  4. Step 4: Simplify right side
    501,050x = 223,118,352,526.92
  5. Step 5: Solve for x
    x = 223,118,352,526.92/501,050
  6. Step 6: Final answer
    x = 445,301.57

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1.5x scale

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.