Home / 649,621.20-973,654.20-333,915.60

Finding the Fourth Proportional to 649,621.20, 973,654.20 and 333,915.60

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Solution

The fourth proportional to 649,621.20, 973,654.20 and 333,915.60 is: 500,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,621.20 : 973,654.20 = 333,915.60 : x
  2. Step 2: Convert to fraction form
    649,621.20/973,654.20 = 333,915.60/x
  3. Step 3: Cross multiply
    649,621.20x = 973,654.20 × 333,915.60
  4. Step 4: Simplify right side
    649,621.20x = 325,118,326,385.52
  5. Step 5: Solve for x
    x = 325,118,326,385.52/649,621.20
  6. Step 6: Final answer
    x = 500,473.70

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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.