Finding the Fourth Proportional to 689,754.99, 1,034,330.86 and 347,988.15
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Solution
The fourth proportional to 689,754.99, 1,034,330.86 and 347,988.15 is: 521,830.05
Step by Step Solution
- Step 1: Write the proportion equation
689,754.99 : 1,034,330.86 = 347,988.15 : x - Step 2: Convert to fraction form
689,754.99/1,034,330.86 = 347,988.15/x - Step 3: Cross multiply
689,754.99x = 1,034,330.86 × 347,988.15 - Step 4: Simplify right side
689,754.99x = 359,934,881,589.34 - Step 5: Solve for x
x = 359,934,881,589.34/689,754.99 - Step 6: Final answer
x = 521,830.05
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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.