Finding the Fourth Proportional to 689,750.28, 1,034,323.79 and 347,983.42
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Solution
The fourth proportional to 689,750.28, 1,034,323.79 and 347,983.42 is: 521,822.96
Step by Step Solution
- Step 1: Write the proportion equation
689,750.28 : 1,034,323.79 = 347,983.42 : x - Step 2: Convert to fraction form
689,750.28/1,034,323.79 = 347,983.42/x - Step 3: Cross multiply
689,750.28x = 1,034,323.79 × 347,983.42 - Step 4: Simplify right side
689,750.28x = 359,927,531,326.17 - Step 5: Solve for x
x = 359,927,531,326.17/689,750.28 - Step 6: Final answer
x = 521,822.96
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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.