Finding the Fourth Proportional to 696,655.64, 960,494.84 and 451,206.80
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Solution
The fourth proportional to 696,655.64, 960,494.84 and 451,206.80 is: 622,088.99
Step by Step Solution
- Step 1: Write the proportion equation
696,655.64 : 960,494.84 = 451,206.80 : x - Step 2: Convert to fraction form
696,655.64/960,494.84 = 451,206.80/x - Step 3: Cross multiply
696,655.64x = 960,494.84 × 451,206.80 - Step 4: Simplify right side
696,655.64x = 433,381,803,172.91 - Step 5: Solve for x
x = 433,381,803,172.91/696,655.64 - Step 6: Final answer
x = 622,088.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.