Finding the Fourth Proportional to 926,479.92, 1,389,959.49 and 542,553.02
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Solution
The fourth proportional to 926,479.92, 1,389,959.49 and 542,553.02 is: 813,969.84
Step by Step Solution
- Step 1: Write the proportion equation
926,479.92 : 1,389,959.49 = 542,553.02 : x - Step 2: Convert to fraction form
926,479.92/1,389,959.49 = 542,553.02/x - Step 3: Cross multiply
926,479.92x = 1,389,959.49 × 542,553.02 - Step 4: Simplify right side
926,479.92x = 754,126,712,027.36 - Step 5: Solve for x
x = 754,126,712,027.36/926,479.92 - Step 6: Final answer
x = 813,969.84
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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.