Finding the Fourth Proportional to 865,620.18, 1,194,617.66 and 478,427.31
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Solution
The fourth proportional to 865,620.18, 1,194,617.66 and 478,427.31 is: 660,263.85
Step by Step Solution
- Step 1: Write the proportion equation
865,620.18 : 1,194,617.66 = 478,427.31 : x - Step 2: Convert to fraction form
865,620.18/1,194,617.66 = 478,427.31/x - Step 3: Cross multiply
865,620.18x = 1,194,617.66 × 478,427.31 - Step 4: Simplify right side
865,620.18x = 571,537,711,160.16 - Step 5: Solve for x
x = 571,537,711,160.16/865,620.18 - Step 6: Final answer
x = 660,263.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.