Finding the Fourth Proportional to 719,038.68, 992,272.62 and 396,748.75
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Solution
The fourth proportional to 719,038.68, 992,272.62 and 396,748.75 is: 547,512.86
Step by Step Solution
- Step 1: Write the proportion equation
719,038.68 : 992,272.62 = 396,748.75 : x - Step 2: Convert to fraction form
719,038.68/992,272.62 = 396,748.75/x - Step 3: Cross multiply
719,038.68x = 992,272.62 × 396,748.75 - Step 4: Simplify right side
719,038.68x = 393,682,921,644.23 - Step 5: Solve for x
x = 393,682,921,644.23/719,038.68 - Step 6: Final answer
x = 547,512.86
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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.