Finding the Fourth Proportional to 894,781.29, 1,234,812.93 and 486,885.18
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Solution
The fourth proportional to 894,781.29, 1,234,812.93 and 486,885.18 is: 671,909.57
Step by Step Solution
- Step 1: Write the proportion equation
894,781.29 : 1,234,812.93 = 486,885.18 : x - Step 2: Convert to fraction form
894,781.29/1,234,812.93 = 486,885.18/x - Step 3: Cross multiply
894,781.29x = 1,234,812.93 × 486,885.18 - Step 4: Simplify right side
894,781.29x = 601,212,115,689.38 - Step 5: Solve for x
x = 601,212,115,689.38/894,781.29 - Step 6: Final answer
x = 671,909.57
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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.