Finding the Fourth Proportional to 838,023.18, 1,156,590.99 and 475,536.30
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Solution
The fourth proportional to 838,023.18, 1,156,590.99 and 475,536.30 is: 656,307.62
Step by Step Solution
- Step 1: Write the proportion equation
838,023.18 : 1,156,590.99 = 475,536.30 : x - Step 2: Convert to fraction form
838,023.18/1,156,590.99 = 475,536.30/x - Step 3: Cross multiply
838,023.18x = 1,156,590.99 × 475,536.30 - Step 4: Simplify right side
838,023.18x = 550,000,999,997.94 - Step 5: Solve for x
x = 550,000,999,997.94/838,023.18 - Step 6: Final answer
x = 656,307.62
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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.