Home / 719,418.40-1,080,002.40-364,249.60

Finding the Fourth Proportional to 719,418.40, 1,080,002.40 and 364,249.60

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Solution

The fourth proportional to 719,418.40, 1,080,002.40 and 364,249.60 is: 546,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,418.40 : 1,080,002.40 = 364,249.60 : x
  2. Step 2: Convert to fraction form
    719,418.40/1,080,002.40 = 364,249.60/x
  3. Step 3: Cross multiply
    719,418.40x = 1,080,002.40 × 364,249.60
  4. Step 4: Simplify right side
    719,418.40x = 393,390,442,199.04
  5. Step 5: Solve for x
    x = 393,390,442,199.04/719,418.40
  6. Step 6: Final answer
    x = 546,817.32

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Double scale
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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.