Finding the Fourth Proportional to 859,649.34, 1,186,263.99 and 477,663.06
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Solution
The fourth proportional to 859,649.34, 1,186,263.99 and 477,663.06 is: 659,146.07
Step by Step Solution
- Step 1: Write the proportion equation
859,649.34 : 1,186,263.99 = 477,663.06 : x - Step 2: Convert to fraction form
859,649.34/1,186,263.99 = 477,663.06/x - Step 3: Cross multiply
859,649.34x = 1,186,263.99 × 477,663.06 - Step 4: Simplify right side
859,649.34x = 566,634,487,431.21 - Step 5: Solve for x
x = 566,634,487,431.21/859,649.34 - Step 6: Final answer
x = 659,146.07
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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.