Finding the Fourth Proportional to 979,486.94, 1,351,617.80 and 549,684.02
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Solution
The fourth proportional to 979,486.94, 1,351,617.80 and 549,684.02 is: 758,522.32
Step by Step Solution
- Step 1: Write the proportion equation
979,486.94 : 1,351,617.80 = 549,684.02 : x - Step 2: Convert to fraction form
979,486.94/1,351,617.80 = 549,684.02/x - Step 3: Cross multiply
979,486.94x = 1,351,617.80 × 549,684.02 - Step 4: Simplify right side
979,486.94x = 742,962,705,807.56 - Step 5: Solve for x
x = 742,962,705,807.56/979,486.94 - Step 6: Final answer
x = 758,522.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.