Finding the Fourth Proportional to 878,575.03, 1,316,919.40 and 372,709.17
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Solution
The fourth proportional to 878,575.03, 1,316,919.40 and 372,709.17 is: 558,663.65
Step by Step Solution
- Step 1: Write the proportion equation
878,575.03 : 1,316,919.40 = 372,709.17 : x - Step 2: Convert to fraction form
878,575.03/1,316,919.40 = 372,709.17/x - Step 3: Cross multiply
878,575.03x = 1,316,919.40 × 372,709.17 - Step 4: Simplify right side
878,575.03x = 490,827,935,599.13 - Step 5: Solve for x
x = 490,827,935,599.13/878,575.03 - Step 6: Final answer
x = 558,663.65
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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.