Home / 847,676.10-1,272,498.30-488,133.30

Finding the Fourth Proportional to 847,676.10, 1,272,498.30 and 488,133.30

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Solution

The fourth proportional to 847,676.10, 1,272,498.30 and 488,133.30 is: 732,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,676.10 : 1,272,498.30 = 488,133.30 : x
  2. Step 2: Convert to fraction form
    847,676.10/1,272,498.30 = 488,133.30/x
  3. Step 3: Cross multiply
    847,676.10x = 1,272,498.30 × 488,133.30
  4. Step 4: Simplify right side
    847,676.10x = 621,148,794,423.39
  5. Step 5: Solve for x
    x = 621,148,794,423.39/847,676.10
  6. Step 6: Final answer
    x = 732,766.67

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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.