Home / 888,308.20-1,333,499.10-509,530.60

Finding the Fourth Proportional to 888,308.20, 1,333,499.10 and 509,530.60

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Solution

The fourth proportional to 888,308.20, 1,333,499.10 and 509,530.60 is: 764,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,308.20 : 1,333,499.10 = 509,530.60 : x
  2. Step 2: Convert to fraction form
    888,308.20/1,333,499.10 = 509,530.60/x
  3. Step 3: Cross multiply
    888,308.20x = 1,333,499.10 × 509,530.60
  4. Step 4: Simplify right side
    888,308.20x = 679,458,596,522.46
  5. Step 5: Solve for x
    x = 679,458,596,522.46/888,308.20
  6. Step 6: Final answer
    x = 764,890.60

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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.