Finding the Fourth Proportional to 505,773.36, 753,293.52 and 503,328.93
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Solution
The fourth proportional to 505,773.36, 753,293.52 and 503,328.93 is: 749,652.81
Step by Step Solution
- Step 1: Write the proportion equation
505,773.36 : 753,293.52 = 503,328.93 : x - Step 2: Convert to fraction form
505,773.36/753,293.52 = 503,328.93/x - Step 3: Cross multiply
505,773.36x = 753,293.52 × 503,328.93 - Step 4: Simplify right side
505,773.36x = 379,154,421,397.53 - Step 5: Solve for x
x = 379,154,421,397.53/505,773.36 - Step 6: Final answer
x = 749,652.81
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.