Finding the Fourth Proportional to 877,809.24, 1,211,378.28 and 475,401.24
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Solution
The fourth proportional to 877,809.24, 1,211,378.28 and 475,401.24 is: 656,054.54
Step by Step Solution
- Step 1: Write the proportion equation
877,809.24 : 1,211,378.28 = 475,401.24 : x - Step 2: Convert to fraction form
877,809.24/1,211,378.28 = 475,401.24/x - Step 3: Cross multiply
877,809.24x = 1,211,378.28 × 475,401.24 - Step 4: Simplify right side
877,809.24x = 575,890,736,421.07 - Step 5: Solve for x
x = 575,890,736,421.07/877,809.24 - Step 6: Final answer
x = 656,054.54
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1.5x scale
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.