Finding the Fourth Proportional to 896,388.42, 1,236,971.98 and 488,489.00
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Solution
The fourth proportional to 896,388.42, 1,236,971.98 and 488,489.00 is: 674,090.82
Step by Step Solution
- Step 1: Write the proportion equation
896,388.42 : 1,236,971.98 = 488,489.00 : x - Step 2: Convert to fraction form
896,388.42/1,236,971.98 = 488,489.00/x - Step 3: Cross multiply
896,388.42x = 1,236,971.98 × 488,489.00 - Step 4: Simplify right side
896,388.42x = 604,247,211,774.80 - Step 5: Solve for x
x = 604,247,211,774.80/896,388.42 - Step 6: Final answer
x = 674,090.82
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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.