Home / 1,004,879.40-1,507,319.10-331,064.70

Finding the Fourth Proportional to 1,004,879.40, 1,507,319.10 and 331,064.70

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Solution

The fourth proportional to 1,004,879.40, 1,507,319.10 and 331,064.70 is: 496,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,879.40 : 1,507,319.10 = 331,064.70 : x
  2. Step 2: Convert to fraction form
    1,004,879.40/1,507,319.10 = 331,064.70/x
  3. Step 3: Cross multiply
    1,004,879.40x = 1,507,319.10 × 331,064.70
  4. Step 4: Simplify right side
    1,004,879.40x = 499,020,145,645.77
  5. Step 5: Solve for x
    x = 499,020,145,645.77/1,004,879.40
  6. Step 6: Final answer
    x = 496,597.05

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Double scale
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Similar ratio
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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.