Finding the Fourth Proportional to 865,968.24, 1,195,044.12 and 478,778.04
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Solution
The fourth proportional to 865,968.24, 1,195,044.12 and 478,778.04 is: 660,718.09
Step by Step Solution
- Step 1: Write the proportion equation
865,968.24 : 1,195,044.12 = 478,778.04 : x - Step 2: Convert to fraction form
865,968.24/1,195,044.12 = 478,778.04/x - Step 3: Cross multiply
865,968.24x = 1,195,044.12 × 478,778.04 - Step 4: Simplify right side
865,968.24x = 572,160,881,487.13 - Step 5: Solve for x
x = 572,160,881,487.13/865,968.24 - Step 6: Final answer
x = 660,718.09
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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.