Finding the Fourth Proportional to 877,708.08, 1,211,230.14 and 475,300.08
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Solution
The fourth proportional to 877,708.08, 1,211,230.14 and 475,300.08 is: 655,910.31
Step by Step Solution
- Step 1: Write the proportion equation
877,708.08 : 1,211,230.14 = 475,300.08 : x - Step 2: Convert to fraction form
877,708.08/1,211,230.14 = 475,300.08/x - Step 3: Cross multiply
877,708.08x = 1,211,230.14 × 475,300.08 - Step 4: Simplify right side
877,708.08x = 575,697,782,440.41 - Step 5: Solve for x
x = 575,697,782,440.41/877,708.08 - Step 6: Final answer
x = 655,910.31
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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.