Home / 553,329.20-828,827.40-494,231.60

Finding the Fourth Proportional to 553,329.20, 828,827.40 and 494,231.60

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Solution

The fourth proportional to 553,329.20, 828,827.40 and 494,231.60 is: 740,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,329.20 : 828,827.40 = 494,231.60 : x
  2. Step 2: Convert to fraction form
    553,329.20/828,827.40 = 494,231.60/x
  3. Step 3: Cross multiply
    553,329.20x = 828,827.40 × 494,231.60
  4. Step 4: Simplify right side
    553,329.20x = 409,632,692,025.84
  5. Step 5: Solve for x
    x = 409,632,692,025.84/553,329.20
  6. Step 6: Final answer
    x = 740,305.58

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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.