Finding the Fourth Proportional to 506,113.76, 698,415.77 and 299,516.07
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Solution
The fourth proportional to 506,113.76, 698,415.77 and 299,516.07 is: 413,319.62
Step by Step Solution
- Step 1: Write the proportion equation
506,113.76 : 698,415.77 = 299,516.07 : x - Step 2: Convert to fraction form
506,113.76/698,415.77 = 299,516.07/x - Step 3: Cross multiply
506,113.76x = 698,415.77 × 299,516.07 - Step 4: Simplify right side
506,113.76x = 209,186,746,656.42 - Step 5: Solve for x
x = 209,186,746,656.42/506,113.76 - Step 6: Final answer
x = 413,319.62
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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.