Finding the Fourth Proportional to 910,867.80, 1,365,135.30 and 699,457.80
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Solution
The fourth proportional to 910,867.80, 1,365,135.30 and 699,457.80 is: 1,048,291.02
Step by Step Solution
- Step 1: Write the proportion equation
910,867.80 : 1,365,135.30 = 699,457.80 : x - Step 2: Convert to fraction form
910,867.80/1,365,135.30 = 699,457.80/x - Step 3: Cross multiply
910,867.80x = 1,365,135.30 × 699,457.80 - Step 4: Simplify right side
910,867.80x = 954,854,533,640.34 - Step 5: Solve for x
x = 954,854,533,640.34/910,867.80 - Step 6: Final answer
x = 1,048,291.02
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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.