Finding the Fourth Proportional to 897,379.48, 1,346,955.98 and 392,289.09
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Solution
The fourth proportional to 897,379.48, 1,346,955.98 and 392,289.09 is: 588,821.28
Step by Step Solution
- Step 1: Write the proportion equation
897,379.48 : 1,346,955.98 = 392,289.09 : x - Step 2: Convert to fraction form
897,379.48/1,346,955.98 = 392,289.09/x - Step 3: Cross multiply
897,379.48x = 1,346,955.98 × 392,289.09 - Step 4: Simplify right side
897,379.48x = 528,396,133,702.81 - Step 5: Solve for x
x = 528,396,133,702.81/897,379.48 - Step 6: Final answer
x = 588,821.28
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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.