Home / 612,055.62-844,582.98-340,106.28

Finding the Fourth Proportional to 612,055.62, 844,582.98 and 340,106.28

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Solution

The fourth proportional to 612,055.62, 844,582.98 and 340,106.28 is: 469,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,055.62 : 844,582.98 = 340,106.28 : x
  2. Step 2: Convert to fraction form
    612,055.62/844,582.98 = 340,106.28/x
  3. Step 3: Cross multiply
    612,055.62x = 844,582.98 × 340,106.28
  4. Step 4: Simplify right side
    612,055.62x = 287,247,975,479.11
  5. Step 5: Solve for x
    x = 287,247,975,479.11/612,055.62
  6. Step 6: Final answer
    x = 469,316.78

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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.