Finding the Fourth Proportional to 837,698.32, 1,256,541.68 and 339,055.12
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Solution
The fourth proportional to 837,698.32, 1,256,541.68 and 339,055.12 is: 508,580.33
Step by Step Solution
- Step 1: Write the proportion equation
837,698.32 : 1,256,541.68 = 339,055.12 : x - Step 2: Convert to fraction form
837,698.32/1,256,541.68 = 339,055.12/x - Step 3: Cross multiply
837,698.32x = 1,256,541.68 × 339,055.12 - Step 4: Simplify right side
837,698.32x = 426,036,890,097.40 - Step 5: Solve for x
x = 426,036,890,097.40/837,698.32 - Step 6: Final answer
x = 508,580.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.