Home / 612,130.04-844,738.70-340,189.32

Finding the Fourth Proportional to 612,130.04, 844,738.70 and 340,189.32

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Solution

The fourth proportional to 612,130.04, 844,738.70 and 340,189.32 is: 469,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,130.04 : 844,738.70 = 340,189.32 : x
  2. Step 2: Convert to fraction form
    612,130.04/844,738.70 = 340,189.32/x
  3. Step 3: Cross multiply
    612,130.04x = 844,738.70 × 340,189.32
  4. Step 4: Simplify right side
    612,130.04x = 287,371,083,930.68
  5. Step 5: Solve for x
    x = 287,371,083,930.68/612,130.04
  6. Step 6: Final answer
    x = 469,460.84

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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.