Finding the Fourth Proportional to 896,938.09, 1,243,117.58 and 880,141.93
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Solution
The fourth proportional to 896,938.09, 1,243,117.58 and 880,141.93 is: 1,219,838.83
Step by Step Solution
- Step 1: Write the proportion equation
896,938.09 : 1,243,117.58 = 880,141.93 : x - Step 2: Convert to fraction form
896,938.09/1,243,117.58 = 880,141.93/x - Step 3: Cross multiply
896,938.09x = 1,243,117.58 × 880,141.93 - Step 4: Simplify right side
896,938.09x = 1,094,119,906,078.13 - Step 5: Solve for x
x = 1,094,119,906,078.13/896,938.09 - Step 6: Final answer
x = 1,219,838.83
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.