Home / 724,610.40-1,086,915.60-623,133.60

Finding the Fourth Proportional to 724,610.40, 1,086,915.60 and 623,133.60

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Solution

The fourth proportional to 724,610.40, 1,086,915.60 and 623,133.60 is: 934,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,610.40 : 1,086,915.60 = 623,133.60 : x
  2. Step 2: Convert to fraction form
    724,610.40/1,086,915.60 = 623,133.60/x
  3. Step 3: Cross multiply
    724,610.40x = 1,086,915.60 × 623,133.60
  4. Step 4: Simplify right side
    724,610.40x = 677,293,630,724.16
  5. Step 5: Solve for x
    x = 677,293,630,724.16/724,610.40
  6. Step 6: Final answer
    x = 934,700.40

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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.