Home / 738,455.70-1,107,683.55-624,294.30

Finding the Fourth Proportional to 738,455.70, 1,107,683.55 and 624,294.30

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Solution

The fourth proportional to 738,455.70, 1,107,683.55 and 624,294.30 is: 936,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,455.70 : 1,107,683.55 = 624,294.30 : x
  2. Step 2: Convert to fraction form
    738,455.70/1,107,683.55 = 624,294.30/x
  3. Step 3: Cross multiply
    738,455.70x = 1,107,683.55 × 624,294.30
  4. Step 4: Simplify right side
    738,455.70x = 691,520,526,468.77
  5. Step 5: Solve for x
    x = 691,520,526,468.77/738,455.70
  6. Step 6: Final answer
    x = 936,441.45

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Double scale
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Similar ratio
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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.