Finding the Fourth Proportional to 696,353.68, 960,895.74 and 409,856.68
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Solution
The fourth proportional to 696,353.68, 960,895.74 and 409,856.68 is: 565,559.64
Step by Step Solution
- Step 1: Write the proportion equation
696,353.68 : 960,895.74 = 409,856.68 : x - Step 2: Convert to fraction form
696,353.68/960,895.74 = 409,856.68/x - Step 3: Cross multiply
696,353.68x = 960,895.74 × 409,856.68 - Step 4: Simplify right side
696,353.68x = 393,829,537,822.54 - Step 5: Solve for x
x = 393,829,537,822.54/696,353.68 - Step 6: Final answer
x = 565,559.64
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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.