Home / 734,818.02-1,102,296.75-285,573.60

Finding the Fourth Proportional to 734,818.02, 1,102,296.75 and 285,573.60

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Solution

The fourth proportional to 734,818.02, 1,102,296.75 and 285,573.60 is: 428,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,818.02 : 1,102,296.75 = 285,573.60 : x
  2. Step 2: Convert to fraction form
    734,818.02/1,102,296.75 = 285,573.60/x
  3. Step 3: Cross multiply
    734,818.02x = 1,102,296.75 × 285,573.60
  4. Step 4: Simplify right side
    734,818.02x = 314,786,851,165.80
  5. Step 5: Solve for x
    x = 314,786,851,165.80/734,818.02
  6. Step 6: Final answer
    x = 428,387.50

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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.