Finding the Fourth Proportional to 988,631.53, 1,483,169.84 and 348,980.81
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Solution
The fourth proportional to 988,631.53, 1,483,169.84 and 348,980.81 is: 523,549.77
Step by Step Solution
- Step 1: Write the proportion equation
988,631.53 : 1,483,169.84 = 348,980.81 : x - Step 2: Convert to fraction form
988,631.53/1,483,169.84 = 348,980.81/x - Step 3: Cross multiply
988,631.53x = 1,483,169.84 × 348,980.81 - Step 4: Simplify right side
988,631.53x = 517,597,804,278.70 - Step 5: Solve for x
x = 517,597,804,278.70/988,631.53 - Step 6: Final answer
x = 523,549.77
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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.