Home / 669,126.85-1,003,691.70-470,336.76

Finding the Fourth Proportional to 669,126.85, 1,003,691.70 and 470,336.76

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Solution

The fourth proportional to 669,126.85, 1,003,691.70 and 470,336.76 is: 705,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,126.85 : 1,003,691.70 = 470,336.76 : x
  2. Step 2: Convert to fraction form
    669,126.85/1,003,691.70 = 470,336.76/x
  3. Step 3: Cross multiply
    669,126.85x = 1,003,691.70 × 470,336.76
  4. Step 4: Simplify right side
    669,126.85x = 472,073,102,216.89
  5. Step 5: Solve for x
    x = 472,073,102,216.89/669,126.85
  6. Step 6: Final answer
    x = 705,506.14

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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.