Finding the Fourth Proportional to 808,421.66, 1,115,430.08 and 459,534.68
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Solution
The fourth proportional to 808,421.66, 1,115,430.08 and 459,534.68 is: 634,048.83
Step by Step Solution
- Step 1: Write the proportion equation
808,421.66 : 1,115,430.08 = 459,534.68 : x - Step 2: Convert to fraction form
808,421.66/1,115,430.08 = 459,534.68/x - Step 3: Cross multiply
808,421.66x = 1,115,430.08 × 459,534.68 - Step 4: Simplify right side
808,421.66x = 512,578,802,577.50 - Step 5: Solve for x
x = 512,578,802,577.50/808,421.66 - Step 6: Final answer
x = 634,048.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.