Finding the Fourth Proportional to 651,195.79, 898,363.94 and 392,928.68
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Solution
The fourth proportional to 651,195.79, 898,363.94 and 392,928.68 is: 542,068.85
Step by Step Solution
- Step 1: Write the proportion equation
651,195.79 : 898,363.94 = 392,928.68 : x - Step 2: Convert to fraction form
651,195.79/898,363.94 = 392,928.68/x - Step 3: Cross multiply
651,195.79x = 898,363.94 × 392,928.68 - Step 4: Simplify right side
651,195.79x = 352,992,955,139.16 - Step 5: Solve for x
x = 352,992,955,139.16/651,195.79 - Step 6: Final answer
x = 542,068.85
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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.