Home / 726,497.33-1,089,746.87-347,328.90

Finding the Fourth Proportional to 726,497.33, 1,089,746.87 and 347,328.90

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Solution

The fourth proportional to 726,497.33, 1,089,746.87 and 347,328.90 is: 520,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,497.33 : 1,089,746.87 = 347,328.90 : x
  2. Step 2: Convert to fraction form
    726,497.33/1,089,746.87 = 347,328.90/x
  3. Step 3: Cross multiply
    726,497.33x = 1,089,746.87 × 347,328.90
  4. Step 4: Simplify right side
    726,497.33x = 378,500,579,898.90
  5. Step 5: Solve for x
    x = 378,500,579,898.90/726,497.33
  6. Step 6: Final answer
    x = 520,993.77

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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.