Finding the Fourth Proportional to 728,779.95, 1,003,647.92 and 626,058.99
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Solution
The fourth proportional to 728,779.95, 1,003,647.92 and 626,058.99 is: 862,184.53
Step by Step Solution
- Step 1: Write the proportion equation
728,779.95 : 1,003,647.92 = 626,058.99 : x - Step 2: Convert to fraction form
728,779.95/1,003,647.92 = 626,058.99/x - Step 3: Cross multiply
728,779.95x = 1,003,647.92 × 626,058.99 - Step 4: Simplify right side
728,779.95x = 628,342,799,980.51 - Step 5: Solve for x
x = 628,342,799,980.51/728,779.95 - Step 6: Final answer
x = 862,184.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.