Finding the Fourth Proportional to 912,394.76, 1,368,504.48 and 281,139.08
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Solution
The fourth proportional to 912,394.76, 1,368,504.48 and 281,139.08 is: 421,681.61
Step by Step Solution
- Step 1: Write the proportion equation
912,394.76 : 1,368,504.48 = 281,139.08 : x - Step 2: Convert to fraction form
912,394.76/1,368,504.48 = 281,139.08/x - Step 3: Cross multiply
912,394.76x = 1,368,504.48 × 281,139.08 - Step 4: Simplify right side
912,394.76x = 384,740,090,483.08 - Step 5: Solve for x
x = 384,740,090,483.08/912,394.76 - Step 6: Final answer
x = 421,681.61
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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.