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Finding the Fourth Proportional to 562,805.03, 843,322.98 and 435,034.12

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Solution

The fourth proportional to 562,805.03, 843,322.98 and 435,034.12 is: 651,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,805.03 : 843,322.98 = 435,034.12 : x
  2. Step 2: Convert to fraction form
    562,805.03/843,322.98 = 435,034.12/x
  3. Step 3: Cross multiply
    562,805.03x = 843,322.98 × 435,034.12
  4. Step 4: Simplify right side
    562,805.03x = 366,874,268,371.77
  5. Step 5: Solve for x
    x = 366,874,268,371.77/562,805.03
  6. Step 6: Final answer
    x = 651,867.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.