Finding the Fourth Proportional to 1,107,402.30, 1,661,881.05 and 476,768.70
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Solution
The fourth proportional to 1,107,402.30, 1,661,881.05 and 476,768.70 is: 715,487.83
Step by Step Solution
- Step 1: Write the proportion equation
1,107,402.30 : 1,661,881.05 = 476,768.70 : x - Step 2: Convert to fraction form
1,107,402.30/1,661,881.05 = 476,768.70/x - Step 3: Cross multiply
1,107,402.30x = 1,661,881.05 × 476,768.70 - Step 4: Simplify right side
1,107,402.30x = 792,332,867,763.14 - Step 5: Solve for x
x = 792,332,867,763.14/1,107,402.30 - Step 6: Final answer
x = 715,487.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.