Finding the Fourth Proportional to 805,230.08, 1,210,087.68 and 751,919.84
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Solution
The fourth proportional to 805,230.08, 1,210,087.68 and 751,919.84 is: 1,129,973.85
Step by Step Solution
- Step 1: Write the proportion equation
805,230.08 : 1,210,087.68 = 751,919.84 : x - Step 2: Convert to fraction form
805,230.08/1,210,087.68 = 751,919.84/x - Step 3: Cross multiply
805,230.08x = 1,210,087.68 × 751,919.84 - Step 4: Simplify right side
805,230.08x = 909,888,934,731.57 - Step 5: Solve for x
x = 909,888,934,731.57/805,230.08 - Step 6: Final answer
x = 1,129,973.85
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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.