Finding the Fourth Proportional to 878,622.24, 1,317,962.39 and 302,239.74
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Solution
The fourth proportional to 878,622.24, 1,317,962.39 and 302,239.74 is: 453,369.59
Step by Step Solution
- Step 1: Write the proportion equation
878,622.24 : 1,317,962.39 = 302,239.74 : x - Step 2: Convert to fraction form
878,622.24/1,317,962.39 = 302,239.74/x - Step 3: Cross multiply
878,622.24x = 1,317,962.39 × 302,239.74 - Step 4: Simplify right side
878,622.24x = 398,340,608,572.18 - Step 5: Solve for x
x = 398,340,608,572.18/878,622.24 - Step 6: Final answer
x = 453,369.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.