Home / 648,954.70-973,432.05-383,234.20

Finding the Fourth Proportional to 648,954.70, 973,432.05 and 383,234.20

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Solution

The fourth proportional to 648,954.70, 973,432.05 and 383,234.20 is: 574,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,954.70 : 973,432.05 = 383,234.20 : x
  2. Step 2: Convert to fraction form
    648,954.70/973,432.05 = 383,234.20/x
  3. Step 3: Cross multiply
    648,954.70x = 973,432.05 × 383,234.20
  4. Step 4: Simplify right side
    648,954.70x = 373,052,452,936.11
  5. Step 5: Solve for x
    x = 373,052,452,936.11/648,954.70
  6. Step 6: Final answer
    x = 574,851.30

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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.