Finding the Fourth Proportional to 577,398.87, 865,656.81 and 349,644.96
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Solution
The fourth proportional to 577,398.87, 865,656.81 and 349,644.96 is: 524,200.09
Step by Step Solution
- Step 1: Write the proportion equation
577,398.87 : 865,656.81 = 349,644.96 : x - Step 2: Convert to fraction form
577,398.87/865,656.81 = 349,644.96/x - Step 3: Cross multiply
577,398.87x = 865,656.81 × 349,644.96 - Step 4: Simplify right side
577,398.87x = 302,672,540,706.18 - Step 5: Solve for x
x = 302,672,540,706.18/577,398.87 - Step 6: Final answer
x = 524,200.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.