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Finding the Fourth Proportional to 612,017.97, 844,662.47 and 370,302.53

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Solution

The fourth proportional to 612,017.97, 844,662.47 and 370,302.53 is: 511,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,017.97 : 844,662.47 = 370,302.53 : x
  2. Step 2: Convert to fraction form
    612,017.97/844,662.47 = 370,302.53/x
  3. Step 3: Cross multiply
    612,017.97x = 844,662.47 × 370,302.53
  4. Step 4: Simplify right side
    612,017.97x = 312,780,643,562.22
  5. Step 5: Solve for x
    x = 312,780,643,562.22/612,017.97
  6. Step 6: Final answer
    x = 511,064.48

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1.5x scale

Why These Related Problems?

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