Finding the Fourth Proportional to 572,476.16, 862,829.13 and 493,467.75
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Solution
The fourth proportional to 572,476.16, 862,829.13 and 493,467.75 is: 743,748.62
Step by Step Solution
- Step 1: Write the proportion equation
572,476.16 : 862,829.13 = 493,467.75 : x - Step 2: Convert to fraction form
572,476.16/862,829.13 = 493,467.75/x - Step 3: Cross multiply
572,476.16x = 862,829.13 × 493,467.75 - Step 4: Simplify right side
572,476.16x = 425,778,349,415.56 - Step 5: Solve for x
x = 425,778,349,415.56/572,476.16 - Step 6: Final answer
x = 743,748.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.