Home / 726,018.40-1,089,027.60-411,090.40

Finding the Fourth Proportional to 726,018.40, 1,089,027.60 and 411,090.40

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Solution

The fourth proportional to 726,018.40, 1,089,027.60 and 411,090.40 is: 616,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,018.40 : 1,089,027.60 = 411,090.40 : x
  2. Step 2: Convert to fraction form
    726,018.40/1,089,027.60 = 411,090.40/x
  3. Step 3: Cross multiply
    726,018.40x = 1,089,027.60 × 411,090.40
  4. Step 4: Simplify right side
    726,018.40x = 447,688,791,695.04
  5. Step 5: Solve for x
    x = 447,688,791,695.04/726,018.40
  6. Step 6: Final answer
    x = 616,635.60

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Similar ratio
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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.