Finding the Fourth Proportional to 781,724.68, 1,172,574.70 and 249,242.12
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Solution
The fourth proportional to 781,724.68, 1,172,574.70 and 249,242.12 is: 373,859.25
Step by Step Solution
- Step 1: Write the proportion equation
781,724.68 : 1,172,574.70 = 249,242.12 : x - Step 2: Convert to fraction form
781,724.68/1,172,574.70 = 249,242.12/x - Step 3: Cross multiply
781,724.68x = 1,172,574.70 × 249,242.12 - Step 4: Simplify right side
781,724.68x = 292,255,004,086.36 - Step 5: Solve for x
x = 292,255,004,086.36/781,724.68 - Step 6: Final answer
x = 373,859.25
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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.