Finding the Fourth Proportional to 604,699.21, 834,519.36 and 346,619.08
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Solution
The fourth proportional to 604,699.21, 834,519.36 and 346,619.08 is: 478,354.08
Step by Step Solution
- Step 1: Write the proportion equation
604,699.21 : 834,519.36 = 346,619.08 : x - Step 2: Convert to fraction form
604,699.21/834,519.36 = 346,619.08/x - Step 3: Cross multiply
604,699.21x = 834,519.36 × 346,619.08 - Step 4: Simplify right side
604,699.21x = 289,260,332,805.39 - Step 5: Solve for x
x = 289,260,332,805.39/604,699.21 - Step 6: Final answer
x = 478,354.08
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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.