Finding the Fourth Proportional to 811,854.08, 1,120,909.92 and 506,052.80
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Solution
The fourth proportional to 811,854.08, 1,120,909.92 and 506,052.80 is: 698,696.50
Step by Step Solution
- Step 1: Write the proportion equation
811,854.08 : 1,120,909.92 = 506,052.80 : x - Step 2: Convert to fraction form
811,854.08/1,120,909.92 = 506,052.80/x - Step 3: Cross multiply
811,854.08x = 1,120,909.92 × 506,052.80 - Step 4: Simplify right side
811,854.08x = 567,239,603,563.78 - Step 5: Solve for x
x = 567,239,603,563.78/811,854.08 - Step 6: Final answer
x = 698,696.50
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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.