Finding the Fourth Proportional to 865,229.58, 1,295,288.55 and 639,088.38
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Solution
The fourth proportional to 865,229.58, 1,295,288.55 and 639,088.38 is: 956,744.75
Step by Step Solution
- Step 1: Write the proportion equation
865,229.58 : 1,295,288.55 = 639,088.38 : x - Step 2: Convert to fraction form
865,229.58/1,295,288.55 = 639,088.38/x - Step 3: Cross multiply
865,229.58x = 1,295,288.55 × 639,088.38 - Step 4: Simplify right side
865,229.58x = 827,803,861,052.05 - Step 5: Solve for x
x = 827,803,861,052.05/865,229.58 - Step 6: Final answer
x = 956,744.75
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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.