Finding the Fourth Proportional to 804,929.35, 1,207,394.03 and 431,681.35
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Solution
The fourth proportional to 804,929.35, 1,207,394.03 and 431,681.35 is: 647,522.03
Step by Step Solution
- Step 1: Write the proportion equation
804,929.35 : 1,207,394.03 = 431,681.35 : x - Step 2: Convert to fraction form
804,929.35/1,207,394.03 = 431,681.35/x - Step 3: Cross multiply
804,929.35x = 1,207,394.03 × 431,681.35 - Step 4: Simplify right side
804,929.35x = 521,209,484,852.34 - Step 5: Solve for x
x = 521,209,484,852.34/804,929.35 - Step 6: Final answer
x = 647,522.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.