Finding the Fourth Proportional to 909,247.19, 1,364,264.09 and 488,030.99
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Solution
The fourth proportional to 909,247.19, 1,364,264.09 and 488,030.99 is: 732,257.59
Step by Step Solution
- Step 1: Write the proportion equation
909,247.19 : 1,364,264.09 = 488,030.99 : x - Step 2: Convert to fraction form
909,247.19/1,364,264.09 = 488,030.99/x - Step 3: Cross multiply
909,247.19x = 1,364,264.09 × 488,030.99 - Step 4: Simplify right side
909,247.19x = 665,803,154,464.15 - Step 5: Solve for x
x = 665,803,154,464.15/909,247.19 - Step 6: Final answer
x = 732,257.59
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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.