Finding the Fourth Proportional to 753,366.48, 1,039,653.57 and 409,209.12
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Solution
The fourth proportional to 753,366.48, 1,039,653.57 and 409,209.12 is: 564,712.84
Step by Step Solution
- Step 1: Write the proportion equation
753,366.48 : 1,039,653.57 = 409,209.12 : x - Step 2: Convert to fraction form
753,366.48/1,039,653.57 = 409,209.12/x - Step 3: Cross multiply
753,366.48x = 1,039,653.57 × 409,209.12 - Step 4: Simplify right side
753,366.48x = 425,435,724,019.09 - Step 5: Solve for x
x = 425,435,724,019.09/753,366.48 - Step 6: Final answer
x = 564,712.84
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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.