Finding the Fourth Proportional to 706,911.84, 975,603.15 and 401,087.70
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Solution
The fourth proportional to 706,911.84, 975,603.15 and 401,087.70 is: 553,537.80
Step by Step Solution
- Step 1: Write the proportion equation
706,911.84 : 975,603.15 = 401,087.70 : x - Step 2: Convert to fraction form
706,911.84/975,603.15 = 401,087.70/x - Step 3: Cross multiply
706,911.84x = 975,603.15 × 401,087.70 - Step 4: Simplify right side
706,911.84x = 391,302,423,546.26 - Step 5: Solve for x
x = 391,302,423,546.26/706,911.84 - Step 6: Final answer
x = 553,537.80
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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.