Home / 649,276.70-973,915.05-383,164.70

Finding the Fourth Proportional to 649,276.70, 973,915.05 and 383,164.70

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Solution

The fourth proportional to 649,276.70, 973,915.05 and 383,164.70 is: 574,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,276.70 : 973,915.05 = 383,164.70 : x
  2. Step 2: Convert to fraction form
    649,276.70/973,915.05 = 383,164.70/x
  3. Step 3: Cross multiply
    649,276.70x = 973,915.05 × 383,164.70
  4. Step 4: Simplify right side
    649,276.70x = 373,169,867,958.74
  5. Step 5: Solve for x
    x = 373,169,867,958.74/649,276.70
  6. Step 6: Final answer
    x = 574,747.05

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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.