Finding the Fourth Proportional to 788,631.24, 1,185,416.40 and 520,482.75
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Solution
The fourth proportional to 788,631.24, 1,185,416.40 and 520,482.75 is: 782,353.98
Step by Step Solution
- Step 1: Write the proportion equation
788,631.24 : 1,185,416.40 = 520,482.75 : x - Step 2: Convert to fraction form
788,631.24/1,185,416.40 = 520,482.75/x - Step 3: Cross multiply
788,631.24x = 1,185,416.40 × 520,482.75 - Step 4: Simplify right side
788,631.24x = 616,988,787,767.10 - Step 5: Solve for x
x = 616,988,787,767.10/788,631.24 - Step 6: Final answer
x = 782,353.98
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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.