Home / 719,109.20-1,078,404.60-364,005.20

Finding the Fourth Proportional to 719,109.20, 1,078,404.60 and 364,005.20

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Solution

The fourth proportional to 719,109.20, 1,078,404.60 and 364,005.20 is: 545,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,109.20 : 1,078,404.60 = 364,005.20 : x
  2. Step 2: Convert to fraction form
    719,109.20/1,078,404.60 = 364,005.20/x
  3. Step 3: Cross multiply
    719,109.20x = 1,078,404.60 × 364,005.20
  4. Step 4: Simplify right side
    719,109.20x = 392,544,882,103.92
  5. Step 5: Solve for x
    x = 392,544,882,103.92/719,109.20
  6. Step 6: Final answer
    x = 545,876.60

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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.