Finding the Fourth Proportional to 658,389.84, 908,575.17 and 368,001.02
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Solution
The fourth proportional to 658,389.84, 908,575.17 and 368,001.02 is: 507,839.84
Step by Step Solution
- Step 1: Write the proportion equation
658,389.84 : 908,575.17 = 368,001.02 : x - Step 2: Convert to fraction form
658,389.84/908,575.17 = 368,001.02/x - Step 3: Cross multiply
658,389.84x = 908,575.17 × 368,001.02 - Step 4: Simplify right side
658,389.84x = 334,356,589,306.67 - Step 5: Solve for x
x = 334,356,589,306.67/658,389.84 - Step 6: Final answer
x = 507,839.84
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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.