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Finding the Fourth Proportional to 476,283.28, 657,303.80 and 314,858.40

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Solution

The fourth proportional to 476,283.28, 657,303.80 and 314,858.40 is: 434,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,283.28 : 657,303.80 = 314,858.40 : x
  2. Step 2: Convert to fraction form
    476,283.28/657,303.80 = 314,858.40/x
  3. Step 3: Cross multiply
    476,283.28x = 657,303.80 × 314,858.40
  4. Step 4: Simplify right side
    476,283.28x = 206,957,622,781.92
  5. Step 5: Solve for x
    x = 206,957,622,781.92/476,283.28
  6. Step 6: Final answer
    x = 434,526.32

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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.