Home / 837,659.26-1,255,741.80-304,807.78

Finding the Fourth Proportional to 837,659.26, 1,255,741.80 and 304,807.78

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Solution

The fourth proportional to 837,659.26, 1,255,741.80 and 304,807.78 is: 456,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,659.26 : 1,255,741.80 = 304,807.78 : x
  2. Step 2: Convert to fraction form
    837,659.26/1,255,741.80 = 304,807.78/x
  3. Step 3: Cross multiply
    837,659.26x = 1,255,741.80 × 304,807.78
  4. Step 4: Simplify right side
    837,659.26x = 382,759,870,311.20
  5. Step 5: Solve for x
    x = 382,759,870,311.20/837,659.26
  6. Step 6: Final answer
    x = 456,939.82

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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.