Finding the Fourth Proportional to 936,832.28, 1,405,038.12 and 430,907.28
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Solution
The fourth proportional to 936,832.28, 1,405,038.12 and 430,907.28 is: 646,264.19
Step by Step Solution
- Step 1: Write the proportion equation
936,832.28 : 1,405,038.12 = 430,907.28 : x - Step 2: Convert to fraction form
936,832.28/1,405,038.12 = 430,907.28/x - Step 3: Cross multiply
936,832.28x = 1,405,038.12 × 430,907.28 - Step 4: Simplify right side
936,832.28x = 605,441,154,585.51 - Step 5: Solve for x
x = 605,441,154,585.51/936,832.28 - Step 6: Final answer
x = 646,264.19
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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.