Finding the Fourth Proportional to 756,790.08, 1,044,377.36 and 417,270.40
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Solution
The fourth proportional to 756,790.08, 1,044,377.36 and 417,270.40 is: 575,837.04
Step by Step Solution
- Step 1: Write the proportion equation
756,790.08 : 1,044,377.36 = 417,270.40 : x - Step 2: Convert to fraction form
756,790.08/1,044,377.36 = 417,270.40/x - Step 3: Cross multiply
756,790.08x = 1,044,377.36 × 417,270.40 - Step 4: Simplify right side
756,790.08x = 435,787,758,758.14 - Step 5: Solve for x
x = 435,787,758,758.14/756,790.08 - Step 6: Final answer
x = 575,837.04
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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.