Finding the Fourth Proportional to 658,821.76, 986,349.98 and 616,971.08
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Solution
The fourth proportional to 658,821.76, 986,349.98 and 616,971.08 is: 923,693.56
Step by Step Solution
- Step 1: Write the proportion equation
658,821.76 : 986,349.98 = 616,971.08 : x - Step 2: Convert to fraction form
658,821.76/986,349.98 = 616,971.08/x - Step 3: Cross multiply
658,821.76x = 986,349.98 × 616,971.08 - Step 4: Simplify right side
658,821.76x = 608,549,416,426.88 - Step 5: Solve for x
x = 608,549,416,426.88/658,821.76 - Step 6: Final answer
x = 923,693.56
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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.