Home / 738,048.60-1,107,072.90-239,412.60

Finding the Fourth Proportional to 738,048.60, 1,107,072.90 and 239,412.60

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Solution

The fourth proportional to 738,048.60, 1,107,072.90 and 239,412.60 is: 359,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,048.60 : 1,107,072.90 = 239,412.60 : x
  2. Step 2: Convert to fraction form
    738,048.60/1,107,072.90 = 239,412.60/x
  3. Step 3: Cross multiply
    738,048.60x = 1,107,072.90 × 239,412.60
  4. Step 4: Simplify right side
    738,048.60x = 265,047,201,378.54
  5. Step 5: Solve for x
    x = 265,047,201,378.54/738,048.60
  6. Step 6: Final answer
    x = 359,118.90

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Similar ratio
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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.