Finding the Fourth Proportional to 539,497.40, 809,246.10 and 371,535.80
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Solution
The fourth proportional to 539,497.40, 809,246.10 and 371,535.80 is: 557,303.70
Step by Step Solution
- Step 1: Write the proportion equation
539,497.40 : 809,246.10 = 371,535.80 : x - Step 2: Convert to fraction form
539,497.40/809,246.10 = 371,535.80/x - Step 3: Cross multiply
539,497.40x = 809,246.10 × 371,535.80 - Step 4: Simplify right side
539,497.40x = 300,663,897,160.38 - Step 5: Solve for x
x = 300,663,897,160.38/539,497.40 - Step 6: Final answer
x = 557,303.70
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1.5x scale
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.