Home / 739,970.44-1,109,506.20-290,152.40

Finding the Fourth Proportional to 739,970.44, 1,109,506.20 and 290,152.40

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Solution

The fourth proportional to 739,970.44, 1,109,506.20 and 290,152.40 is: 435,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,970.44 : 1,109,506.20 = 290,152.40 : x
  2. Step 2: Convert to fraction form
    739,970.44/1,109,506.20 = 290,152.40/x
  3. Step 3: Cross multiply
    739,970.44x = 1,109,506.20 × 290,152.40
  4. Step 4: Simplify right side
    739,970.44x = 321,925,886,744.88
  5. Step 5: Solve for x
    x = 321,925,886,744.88/739,970.44
  6. Step 6: Final answer
    x = 435,052.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.