Finding the Fourth Proportional to 750,473.57, 1,035,634.41 and 419,332.21
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Solution
The fourth proportional to 750,473.57, 1,035,634.41 and 419,332.21 is: 578,667.76
Step by Step Solution
- Step 1: Write the proportion equation
750,473.57 : 1,035,634.41 = 419,332.21 : x - Step 2: Convert to fraction form
750,473.57/1,035,634.41 = 419,332.21/x - Step 3: Cross multiply
750,473.57x = 1,035,634.41 × 419,332.21 - Step 4: Simplify right side
750,473.57x = 434,274,863,308.26 - Step 5: Solve for x
x = 434,274,863,308.26/750,473.57 - Step 6: Final answer
x = 578,667.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.