Finding the Fourth Proportional to 750,529.18, 1,123,134.40 and 661,955.68
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Solution
The fourth proportional to 750,529.18, 1,123,134.40 and 661,955.68 is: 990,587.99
Step by Step Solution
- Step 1: Write the proportion equation
750,529.18 : 1,123,134.40 = 661,955.68 : x - Step 2: Convert to fraction form
750,529.18/1,123,134.40 = 661,955.68/x - Step 3: Cross multiply
750,529.18x = 1,123,134.40 × 661,955.68 - Step 4: Simplify right side
750,529.18x = 743,465,195,483.39 - Step 5: Solve for x
x = 743,465,195,483.39/750,529.18 - Step 6: Final answer
x = 990,587.99
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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.