Finding the Fourth Proportional to 1,023,620.67, 1,412,638.38 and 564,788.07
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Solution
The fourth proportional to 1,023,620.67, 1,412,638.38 and 564,788.07 is: 779,430.63
Step by Step Solution
- Step 1: Write the proportion equation
1,023,620.67 : 1,412,638.38 = 564,788.07 : x - Step 2: Convert to fraction form
1,023,620.67/1,412,638.38 = 564,788.07/x - Step 3: Cross multiply
1,023,620.67x = 1,412,638.38 × 564,788.07 - Step 4: Simplify right side
1,023,620.67x = 797,841,304,248.13 - Step 5: Solve for x
x = 797,841,304,248.13/1,023,620.67 - Step 6: Final answer
x = 779,430.63
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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.