Finding the Fourth Proportional to 647,995.29, 894,283.68 and 357,663.75
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Solution
The fourth proportional to 647,995.29, 894,283.68 and 357,663.75 is: 493,603.67
Step by Step Solution
- Step 1: Write the proportion equation
647,995.29 : 894,283.68 = 357,663.75 : x - Step 2: Convert to fraction form
647,995.29/894,283.68 = 357,663.75/x - Step 3: Cross multiply
647,995.29x = 894,283.68 × 357,663.75 - Step 4: Simplify right side
647,995.29x = 319,852,854,552.60 - Step 5: Solve for x
x = 319,852,854,552.60/647,995.29 - Step 6: Final answer
x = 493,603.67
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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.