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Finding the Fourth Proportional to 621,501.03, 857,697.03 and 349,581.60

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Solution

The fourth proportional to 621,501.03, 857,697.03 and 349,581.60 is: 482,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,501.03 : 857,697.03 = 349,581.60 : x
  2. Step 2: Convert to fraction form
    621,501.03/857,697.03 = 349,581.60/x
  3. Step 3: Cross multiply
    621,501.03x = 857,697.03 × 349,581.60
  4. Step 4: Simplify right side
    621,501.03x = 299,835,100,062.65
  5. Step 5: Solve for x
    x = 299,835,100,062.65/621,501.03
  6. Step 6: Final answer
    x = 482,437.01

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