Finding the Fourth Proportional to 632,860.91, 873,348.05 and 346,380.99
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Solution
The fourth proportional to 632,860.91, 873,348.05 and 346,380.99 is: 478,005.76
Step by Step Solution
- Step 1: Write the proportion equation
632,860.91 : 873,348.05 = 346,380.99 : x - Step 2: Convert to fraction form
632,860.91/873,348.05 = 346,380.99/x - Step 3: Cross multiply
632,860.91x = 873,348.05 × 346,380.99 - Step 4: Simplify right side
632,860.91x = 302,511,160,441.67 - Step 5: Solve for x
x = 302,511,160,441.67/632,860.91 - Step 6: Final answer
x = 478,005.76
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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.