Finding the Fourth Proportional to 665,536.62, 918,603.81 and 379,225.92
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Solution
The fourth proportional to 665,536.62, 918,603.81 and 379,225.92 is: 523,424.80
Step by Step Solution
- Step 1: Write the proportion equation
665,536.62 : 918,603.81 = 379,225.92 : x - Step 2: Convert to fraction form
665,536.62/918,603.81 = 379,225.92/x - Step 3: Cross multiply
665,536.62x = 918,603.81 × 379,225.92 - Step 4: Simplify right side
665,536.62x = 348,358,374,962.76 - Step 5: Solve for x
x = 348,358,374,962.76/665,536.62 - Step 6: Final answer
x = 523,424.80
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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.