Home / 890,076.40-1,335,114.60-652,130.80

Finding the Fourth Proportional to 890,076.40, 1,335,114.60 and 652,130.80

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Solution

The fourth proportional to 890,076.40, 1,335,114.60 and 652,130.80 is: 978,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,076.40 : 1,335,114.60 = 652,130.80 : x
  2. Step 2: Convert to fraction form
    890,076.40/1,335,114.60 = 652,130.80/x
  3. Step 3: Cross multiply
    890,076.40x = 1,335,114.60 × 652,130.80
  4. Step 4: Simplify right side
    890,076.40x = 870,669,352,189.68
  5. Step 5: Solve for x
    x = 870,669,352,189.68/890,076.40
  6. Step 6: Final answer
    x = 978,196.20

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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.