Finding the Fourth Proportional to 657,864.18, 907,860.00 and 385,936.70
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Solution
The fourth proportional to 657,864.18, 907,860.00 and 385,936.70 is: 532,597.01
Step by Step Solution
- Step 1: Write the proportion equation
657,864.18 : 907,860.00 = 385,936.70 : x - Step 2: Convert to fraction form
657,864.18/907,860.00 = 385,936.70/x - Step 3: Cross multiply
657,864.18x = 907,860.00 × 385,936.70 - Step 4: Simplify right side
657,864.18x = 350,376,492,305.78 - Step 5: Solve for x
x = 350,376,492,305.78/657,864.18 - Step 6: Final answer
x = 532,597.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.