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Finding the Fourth Proportional to 612,007.94, 844,559.75 and 340,070.88

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Solution

The fourth proportional to 612,007.94, 844,559.75 and 340,070.88 is: 469,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,007.94 : 844,559.75 = 340,070.88 : x
  2. Step 2: Convert to fraction form
    612,007.94/844,559.75 = 340,070.88/x
  3. Step 3: Cross multiply
    612,007.94x = 844,559.75 × 340,070.88
  4. Step 4: Simplify right side
    612,007.94x = 287,210,175,694.73
  5. Step 5: Solve for x
    x = 287,210,175,694.73/612,007.94
  6. Step 6: Final answer
    x = 469,291.59

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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.