Finding the Fourth Proportional to 878,709.16, 1,316,559.30 and 479,630.08
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Solution
The fourth proportional to 878,709.16, 1,316,559.30 and 479,630.08 is: 718,623.94
Step by Step Solution
- Step 1: Write the proportion equation
878,709.16 : 1,316,559.30 = 479,630.08 : x - Step 2: Convert to fraction form
878,709.16/1,316,559.30 = 479,630.08/x - Step 3: Cross multiply
878,709.16x = 1,316,559.30 × 479,630.08 - Step 4: Simplify right side
878,709.16x = 631,461,442,383.74 - Step 5: Solve for x
x = 631,461,442,383.74/878,709.16 - Step 6: Final answer
x = 718,623.94
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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.