Home / 672,817.60-1,009,226.40-273,325.60

Finding the Fourth Proportional to 672,817.60, 1,009,226.40 and 273,325.60

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Solution

The fourth proportional to 672,817.60, 1,009,226.40 and 273,325.60 is: 409,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,817.60 : 1,009,226.40 = 273,325.60 : x
  2. Step 2: Convert to fraction form
    672,817.60/1,009,226.40 = 273,325.60/x
  3. Step 3: Cross multiply
    672,817.60x = 1,009,226.40 × 273,325.60
  4. Step 4: Simplify right side
    672,817.60x = 275,847,411,315.84
  5. Step 5: Solve for x
    x = 275,847,411,315.84/672,817.60
  6. Step 6: Final answer
    x = 409,988.40

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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.