Finding the Fourth Proportional to 832,471.28, 1,148,813.26 and 450,497.96
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Solution
The fourth proportional to 832,471.28, 1,148,813.26 and 450,497.96 is: 621,688.75
Step by Step Solution
- Step 1: Write the proportion equation
832,471.28 : 1,148,813.26 = 450,497.96 : x - Step 2: Convert to fraction form
832,471.28/1,148,813.26 = 450,497.96/x - Step 3: Cross multiply
832,471.28x = 1,148,813.26 × 450,497.96 - Step 4: Simplify right side
832,471.28x = 517,538,030,050.95 - Step 5: Solve for x
x = 517,538,030,050.95/832,471.28 - Step 6: Final answer
x = 621,688.75
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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.