Home / 676,438.20-1,014,750.48-227,287.40

Finding the Fourth Proportional to 676,438.20, 1,014,750.48 and 227,287.40

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Solution

The fourth proportional to 676,438.20, 1,014,750.48 and 227,287.40 is: 340,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,438.20 : 1,014,750.48 = 227,287.40 : x
  2. Step 2: Convert to fraction form
    676,438.20/1,014,750.48 = 227,287.40/x
  3. Step 3: Cross multiply
    676,438.20x = 1,014,750.48 × 227,287.40
  4. Step 4: Simplify right side
    676,438.20x = 230,639,993,174.20
  5. Step 5: Solve for x
    x = 230,639,993,174.20/676,438.20
  6. Step 6: Final answer
    x = 340,962.40

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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.