Finding the Fourth Proportional to 922,636.18, 1,273,209.06 and 540,917.20
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Solution
The fourth proportional to 922,636.18, 1,273,209.06 and 540,917.20 is: 746,448.81
Step by Step Solution
- Step 1: Write the proportion equation
922,636.18 : 1,273,209.06 = 540,917.20 : x - Step 2: Convert to fraction form
922,636.18/1,273,209.06 = 540,917.20/x - Step 3: Cross multiply
922,636.18x = 1,273,209.06 × 540,917.20 - Step 4: Simplify right side
922,636.18x = 688,700,679,749.83 - Step 5: Solve for x
x = 688,700,679,749.83/922,636.18 - Step 6: Final answer
x = 746,448.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.