Finding the Fourth Proportional to 723,497.96, 998,429.76 and 401,237.84
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Solution
The fourth proportional to 723,497.96, 998,429.76 and 401,237.84 is: 553,709.65
Step by Step Solution
- Step 1: Write the proportion equation
723,497.96 : 998,429.76 = 401,237.84 : x - Step 2: Convert to fraction form
723,497.96/998,429.76 = 401,237.84/x - Step 3: Cross multiply
723,497.96x = 998,429.76 × 401,237.84 - Step 4: Simplify right side
723,497.96x = 400,607,800,294.12 - Step 5: Solve for x
x = 400,607,800,294.12/723,497.96 - Step 6: Final answer
x = 553,709.65
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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.