Finding the Fourth Proportional to 692,994.24, 956,329.20 and 391,186.08
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Solution
The fourth proportional to 692,994.24, 956,329.20 and 391,186.08 is: 539,835.18
Step by Step Solution
- Step 1: Write the proportion equation
692,994.24 : 956,329.20 = 391,186.08 : x - Step 2: Convert to fraction form
692,994.24/956,329.20 = 391,186.08/x - Step 3: Cross multiply
692,994.24x = 956,329.20 × 391,186.08 - Step 4: Simplify right side
692,994.24x = 374,102,670,937.54 - Step 5: Solve for x
x = 374,102,670,937.54/692,994.24 - Step 6: Final answer
x = 539,835.18
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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.