Finding the Fourth Proportional to 1,044,397.13, 1,441,740.16 and 657,780.75
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Solution
The fourth proportional to 1,044,397.13, 1,441,740.16 and 657,780.75 is: 908,034.79
Step by Step Solution
- Step 1: Write the proportion equation
1,044,397.13 : 1,441,740.16 = 657,780.75 : x - Step 2: Convert to fraction form
1,044,397.13/1,441,740.16 = 657,780.75/x - Step 3: Cross multiply
1,044,397.13x = 1,441,740.16 × 657,780.75 - Step 4: Simplify right side
1,044,397.13x = 948,348,924,572.15 - Step 5: Solve for x
x = 948,348,924,572.15/1,044,397.13 - Step 6: Final answer
x = 908,034.79
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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.