Home / 649,853.20-974,002.20-334,147.60

Finding the Fourth Proportional to 649,853.20, 974,002.20 and 334,147.60

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Solution

The fourth proportional to 649,853.20, 974,002.20 and 334,147.60 is: 500,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,853.20 : 974,002.20 = 334,147.60 : x
  2. Step 2: Convert to fraction form
    649,853.20/974,002.20 = 334,147.60/x
  3. Step 3: Cross multiply
    649,853.20x = 974,002.20 × 334,147.60
  4. Step 4: Simplify right side
    649,853.20x = 325,460,497,524.72
  5. Step 5: Solve for x
    x = 325,460,497,524.72/649,853.20
  6. Step 6: Final answer
    x = 500,821.57

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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.