Finding the Fourth Proportional to 918,968.68, 1,377,934.62 and 357,360.04
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Solution
The fourth proportional to 918,968.68, 1,377,934.62 and 357,360.04 is: 535,838.47
Step by Step Solution
- Step 1: Write the proportion equation
918,968.68 : 1,377,934.62 = 357,360.04 : x - Step 2: Convert to fraction form
918,968.68/1,377,934.62 = 357,360.04/x - Step 3: Cross multiply
918,968.68x = 1,377,934.62 × 357,360.04 - Step 4: Simplify right side
918,968.68x = 492,418,770,920.59 - Step 5: Solve for x
x = 492,418,770,920.59/918,968.68 - Step 6: Final answer
x = 535,838.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.