Finding the Fourth Proportional to 488,070.84, 671,504.94 and 430,459.32
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Solution
The fourth proportional to 488,070.84, 671,504.94 and 430,459.32 is: 592,240.99
Step by Step Solution
- Step 1: Write the proportion equation
488,070.84 : 671,504.94 = 430,459.32 : x - Step 2: Convert to fraction form
488,070.84/671,504.94 = 430,459.32/x - Step 3: Cross multiply
488,070.84x = 671,504.94 × 430,459.32 - Step 4: Simplify right side
488,070.84x = 289,055,559,849.04 - Step 5: Solve for x
x = 289,055,559,849.04/488,070.84 - Step 6: Final answer
x = 592,240.99
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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.