Finding the Fourth Proportional to 566,943.35, 782,381.88 and 312,294.53
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Solution
The fourth proportional to 566,943.35, 782,381.88 and 312,294.53 is: 430,966.49
Step by Step Solution
- Step 1: Write the proportion equation
566,943.35 : 782,381.88 = 312,294.53 : x - Step 2: Convert to fraction form
566,943.35/782,381.88 = 312,294.53/x - Step 3: Cross multiply
566,943.35x = 782,381.88 × 312,294.53 - Step 4: Simplify right side
566,943.35x = 244,333,583,451.07 - Step 5: Solve for x
x = 244,333,583,451.07/566,943.35 - Step 6: Final answer
x = 430,966.49
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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.