Finding the Fourth Proportional to 874,881.81, 1,207,337.00 and 472,473.81
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Solution
The fourth proportional to 874,881.81, 1,207,337.00 and 472,473.81 is: 652,013.91
Step by Step Solution
- Step 1: Write the proportion equation
874,881.81 : 1,207,337.00 = 472,473.81 : x - Step 2: Convert to fraction form
874,881.81/1,207,337.00 = 472,473.81/x - Step 3: Cross multiply
874,881.81x = 1,207,337.00 × 472,473.81 - Step 4: Simplify right side
874,881.81x = 570,435,109,981.60 - Step 5: Solve for x
x = 570,435,109,981.60/874,881.81 - Step 6: Final answer
x = 652,013.91
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1.5x scale
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.