Home / 807,359.70-1,211,039.55-555,417.30

Finding the Fourth Proportional to 807,359.70, 1,211,039.55 and 555,417.30

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Solution

The fourth proportional to 807,359.70, 1,211,039.55 and 555,417.30 is: 833,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,359.70 : 1,211,039.55 = 555,417.30 : x
  2. Step 2: Convert to fraction form
    807,359.70/1,211,039.55 = 555,417.30/x
  3. Step 3: Cross multiply
    807,359.70x = 1,211,039.55 × 555,417.30
  4. Step 4: Simplify right side
    807,359.70x = 672,632,317,054.22
  5. Step 5: Solve for x
    x = 672,632,317,054.22/807,359.70
  6. Step 6: Final answer
    x = 833,125.95

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Similar ratio
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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.