Home / 669,815.10-1,004,706.45-403,373.70

Finding the Fourth Proportional to 669,815.10, 1,004,706.45 and 403,373.70

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Solution

The fourth proportional to 669,815.10, 1,004,706.45 and 403,373.70 is: 605,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,815.10 : 1,004,706.45 = 403,373.70 : x
  2. Step 2: Convert to fraction form
    669,815.10/1,004,706.45 = 403,373.70/x
  3. Step 3: Cross multiply
    669,815.10x = 1,004,706.45 × 403,373.70
  4. Step 4: Simplify right side
    669,815.10x = 405,272,158,150.37
  5. Step 5: Solve for x
    x = 405,272,158,150.37/669,815.10
  6. Step 6: Final answer
    x = 605,050.79

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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.