Home / 724,599.40-1,086,899.10-623,122.60

Finding the Fourth Proportional to 724,599.40, 1,086,899.10 and 623,122.60

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Solution

The fourth proportional to 724,599.40, 1,086,899.10 and 623,122.60 is: 934,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,599.40 : 1,086,899.10 = 623,122.60 : x
  2. Step 2: Convert to fraction form
    724,599.40/1,086,899.10 = 623,122.60/x
  3. Step 3: Cross multiply
    724,599.40x = 1,086,899.10 × 623,122.60
  4. Step 4: Simplify right side
    724,599.40x = 677,271,393,129.66
  5. Step 5: Solve for x
    x = 677,271,393,129.66/724,599.40
  6. Step 6: Final answer
    x = 934,683.90

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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.