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Finding the Fourth Proportional to 660,574.13, 911,596.97 and 358,768.13

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Solution

The fourth proportional to 660,574.13, 911,596.97 and 358,768.13 is: 495,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,574.13 : 911,596.97 = 358,768.13 : x
  2. Step 2: Convert to fraction form
    660,574.13/911,596.97 = 358,768.13/x
  3. Step 3: Cross multiply
    660,574.13x = 911,596.97 × 358,768.13
  4. Step 4: Simplify right side
    660,574.13x = 327,051,938,446.73
  5. Step 5: Solve for x
    x = 327,051,938,446.73/660,574.13
  6. Step 6: Final answer
    x = 495,102.55

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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.