Finding the Fourth Proportional to 730,842.70, 1,096,264.05 and 553,695.70
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Solution
The fourth proportional to 730,842.70, 1,096,264.05 and 553,695.70 is: 830,543.55
Step by Step Solution
- Step 1: Write the proportion equation
730,842.70 : 1,096,264.05 = 553,695.70 : x - Step 2: Convert to fraction form
730,842.70/1,096,264.05 = 553,695.70/x - Step 3: Cross multiply
730,842.70x = 1,096,264.05 × 553,695.70 - Step 4: Simplify right side
730,842.70x = 606,996,690,549.59 - Step 5: Solve for x
x = 606,996,690,549.59/730,842.70 - Step 6: Final answer
x = 830,543.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.