Finding the Fourth Proportional to 668,726.24, 922,839.36 and 366,913.76
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Solution
The fourth proportional to 668,726.24, 922,839.36 and 366,913.76 is: 506,339.42
Step by Step Solution
- Step 1: Write the proportion equation
668,726.24 : 922,839.36 = 366,913.76 : x - Step 2: Convert to fraction form
668,726.24/922,839.36 = 366,913.76/x - Step 3: Cross multiply
668,726.24x = 922,839.36 × 366,913.76 - Step 4: Simplify right side
668,726.24x = 338,602,459,453.59 - Step 5: Solve for x
x = 338,602,459,453.59/668,726.24 - Step 6: Final answer
x = 506,339.42
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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.