Finding the Fourth Proportional to 821,319.01, 1,133,408.28 and 458,748.02
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Solution
The fourth proportional to 821,319.01, 1,133,408.28 and 458,748.02 is: 633,065.59
Step by Step Solution
- Step 1: Write the proportion equation
821,319.01 : 1,133,408.28 = 458,748.02 : x - Step 2: Convert to fraction form
821,319.01/1,133,408.28 = 458,748.02/x - Step 3: Cross multiply
821,319.01x = 1,133,408.28 × 458,748.02 - Step 4: Simplify right side
821,319.01x = 519,948,804,301.61 - Step 5: Solve for x
x = 519,948,804,301.61/821,319.01 - Step 6: Final answer
x = 633,065.59
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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.