Finding the Fourth Proportional to 785,455.60, 1,178,350.80 and 448,657.60
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Solution
The fourth proportional to 785,455.60, 1,178,350.80 and 448,657.60 is: 673,082.02
Step by Step Solution
- Step 1: Write the proportion equation
785,455.60 : 1,178,350.80 = 448,657.60 : x - Step 2: Convert to fraction form
785,455.60/1,178,350.80 = 448,657.60/x - Step 3: Cross multiply
785,455.60x = 1,178,350.80 × 448,657.60 - Step 4: Simplify right side
785,455.60x = 528,676,041,886.08 - Step 5: Solve for x
x = 528,676,041,886.08/785,455.60 - Step 6: Final answer
x = 673,082.02
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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.