Finding the Fourth Proportional to 807,652.80, 1,211,479.20 and 695,459.70
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Solution
The fourth proportional to 807,652.80, 1,211,479.20 and 695,459.70 is: 1,043,189.55
Step by Step Solution
- Step 1: Write the proportion equation
807,652.80 : 1,211,479.20 = 695,459.70 : x - Step 2: Convert to fraction form
807,652.80/1,211,479.20 = 695,459.70/x - Step 3: Cross multiply
807,652.80x = 1,211,479.20 × 695,459.70 - Step 4: Simplify right side
807,652.80x = 842,534,960,988.24 - Step 5: Solve for x
x = 842,534,960,988.24/807,652.80 - Step 6: Final answer
x = 1,043,189.55
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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.