Finding the Fourth Proportional to 668,769.09, 1,001,440.95 and 368,916.40
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Solution
The fourth proportional to 668,769.09, 1,001,440.95 and 368,916.40 is: 552,429.82
Step by Step Solution
- Step 1: Write the proportion equation
668,769.09 : 1,001,440.95 = 368,916.40 : x - Step 2: Convert to fraction form
668,769.09/1,001,440.95 = 368,916.40/x - Step 3: Cross multiply
668,769.09x = 1,001,440.95 × 368,916.40 - Step 4: Simplify right side
668,769.09x = 369,447,990,086.58 - Step 5: Solve for x
x = 369,447,990,086.58/668,769.09 - Step 6: Final answer
x = 552,429.82
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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.