Finding the Fourth Proportional to 991,746.24, 1,368,618.84 and 539,038.32
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Solution
The fourth proportional to 991,746.24, 1,368,618.84 and 539,038.32 is: 743,877.79
Step by Step Solution
- Step 1: Write the proportion equation
991,746.24 : 1,368,618.84 = 539,038.32 : x - Step 2: Convert to fraction form
991,746.24/1,368,618.84 = 539,038.32/x - Step 3: Cross multiply
991,746.24x = 1,368,618.84 × 539,038.32 - Step 4: Simplify right side
991,746.24x = 737,738,000,233.95 - Step 5: Solve for x
x = 737,738,000,233.95/991,746.24 - Step 6: Final answer
x = 743,877.79
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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.