Finding the Fourth Proportional to 756,786.08, 1,044,371.84 and 417,266.40
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Solution
The fourth proportional to 756,786.08, 1,044,371.84 and 417,266.40 is: 575,831.52
Step by Step Solution
- Step 1: Write the proportion equation
756,786.08 : 1,044,371.84 = 417,266.40 : x - Step 2: Convert to fraction form
756,786.08/1,044,371.84 = 417,266.40/x - Step 3: Cross multiply
756,786.08x = 1,044,371.84 × 417,266.40 - Step 4: Simplify right side
756,786.08x = 435,781,277,938.18 - Step 5: Solve for x
x = 435,781,277,938.18/756,786.08 - Step 6: Final answer
x = 575,831.52
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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.