Finding the Fourth Proportional to 779,934.62, 1,169,126.92 and 542,779.08
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Solution
The fourth proportional to 779,934.62, 1,169,126.92 and 542,779.08 is: 813,629.26
Step by Step Solution
- Step 1: Write the proportion equation
779,934.62 : 1,169,126.92 = 542,779.08 : x - Step 2: Convert to fraction form
779,934.62/1,169,126.92 = 542,779.08/x - Step 3: Cross multiply
779,934.62x = 1,169,126.92 × 542,779.08 - Step 4: Simplify right side
779,934.62x = 634,577,627,281.95 - Step 5: Solve for x
x = 634,577,627,281.95/779,934.62 - Step 6: Final answer
x = 813,629.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.