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Finding the Fourth Proportional to 418,752.18, 577,825.56 and 283,081.32

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Solution

The fourth proportional to 418,752.18, 577,825.56 and 283,081.32 is: 390,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,752.18 : 577,825.56 = 283,081.32 : x
  2. Step 2: Convert to fraction form
    418,752.18/577,825.56 = 283,081.32/x
  3. Step 3: Cross multiply
    418,752.18x = 577,825.56 × 283,081.32
  4. Step 4: Simplify right side
    418,752.18x = 163,571,622,254.54
  5. Step 5: Solve for x
    x = 163,571,622,254.54/418,752.18
  6. Step 6: Final answer
    x = 390,616.77

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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.