Finding the Fourth Proportional to 922,538.24, 1,381,314.56 and 478,373.12
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Solution
The fourth proportional to 922,538.24, 1,381,314.56 and 478,373.12 is: 716,267.06
Step by Step Solution
- Step 1: Write the proportion equation
922,538.24 : 1,381,314.56 = 478,373.12 : x - Step 2: Convert to fraction form
922,538.24/1,381,314.56 = 478,373.12/x - Step 3: Cross multiply
922,538.24x = 1,381,314.56 × 478,373.12 - Step 4: Simplify right side
922,538.24x = 660,783,755,768.63 - Step 5: Solve for x
x = 660,783,755,768.63/922,538.24 - Step 6: Final answer
x = 716,267.06
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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.