Finding the Fourth Proportional to 974,311.93, 1,344,522.66 and 538,721.79
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Solution
The fourth proportional to 974,311.93, 1,344,522.66 and 538,721.79 is: 743,420.70
Step by Step Solution
- Step 1: Write the proportion equation
974,311.93 : 1,344,522.66 = 538,721.79 : x - Step 2: Convert to fraction form
974,311.93/1,344,522.66 = 538,721.79/x - Step 3: Cross multiply
974,311.93x = 1,344,522.66 × 538,721.79 - Step 4: Simplify right side
974,311.93x = 724,323,654,090.76 - Step 5: Solve for x
x = 724,323,654,090.76/974,311.93 - Step 6: Final answer
x = 743,420.70
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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.