Finding the Fourth Proportional to 653,320.05, 899,496.14 and 557,441.97
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Solution
The fourth proportional to 653,320.05, 899,496.14 and 557,441.97 is: 767,490.45
Step by Step Solution
- Step 1: Write the proportion equation
653,320.05 : 899,496.14 = 557,441.97 : x - Step 2: Convert to fraction form
653,320.05/899,496.14 = 557,441.97/x - Step 3: Cross multiply
653,320.05x = 899,496.14 × 557,441.97 - Step 4: Simplify right side
653,320.05x = 501,416,897,264.29 - Step 5: Solve for x
x = 501,416,897,264.29/653,320.05 - Step 6: Final answer
x = 767,490.45
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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.