Finding the Fourth Proportional to 897,625.13, 1,238,716.65 and 510,440.70
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Solution
The fourth proportional to 897,625.13, 1,238,716.65 and 510,440.70 is: 704,404.74
Step by Step Solution
- Step 1: Write the proportion equation
897,625.13 : 1,238,716.65 = 510,440.70 : x - Step 2: Convert to fraction form
897,625.13/1,238,716.65 = 510,440.70/x - Step 3: Cross multiply
897,625.13x = 1,238,716.65 × 510,440.70 - Step 4: Simplify right side
897,625.13x = 632,291,394,472.24 - Step 5: Solve for x
x = 632,291,394,472.24/897,625.13 - Step 6: Final answer
x = 704,404.74
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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.