Finding the Fourth Proportional to 837,639.11, 1,153,023.71 and 730,024.13
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Solution
The fourth proportional to 837,639.11, 1,153,023.71 and 730,024.13 is: 1,004,889.95
Step by Step Solution
- Step 1: Write the proportion equation
837,639.11 : 1,153,023.71 = 730,024.13 : x - Step 2: Convert to fraction form
837,639.11/1,153,023.71 = 730,024.13/x - Step 3: Cross multiply
837,639.11x = 1,153,023.71 × 730,024.13 - Step 4: Simplify right side
837,639.11x = 841,735,121,346.88 - Step 5: Solve for x
x = 841,735,121,346.88/837,639.11 - Step 6: Final answer
x = 1,004,889.95
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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.