Finding the Fourth Proportional to 752,257.14, 1,038,185.16 and 429,904.28
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Solution
The fourth proportional to 752,257.14, 1,038,185.16 and 429,904.28 is: 593,308.09
Step by Step Solution
- Step 1: Write the proportion equation
752,257.14 : 1,038,185.16 = 429,904.28 : x - Step 2: Convert to fraction form
752,257.14/1,038,185.16 = 429,904.28/x - Step 3: Cross multiply
752,257.14x = 1,038,185.16 × 429,904.28 - Step 4: Simplify right side
752,257.14x = 446,320,243,716.49 - Step 5: Solve for x
x = 446,320,243,716.49/752,257.14 - Step 6: Final answer
x = 593,308.09
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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.