Finding the Fourth Proportional to 608,107.60, 912,420.60 and 383,640.40
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Solution
The fourth proportional to 608,107.60, 912,420.60 and 383,640.40 is: 575,624.12
Step by Step Solution
- Step 1: Write the proportion equation
608,107.60 : 912,420.60 = 383,640.40 : x - Step 2: Convert to fraction form
608,107.60/912,420.60 = 383,640.40/x - Step 3: Cross multiply
608,107.60x = 912,420.60 × 383,640.40 - Step 4: Simplify right side
608,107.60x = 350,041,403,952.24 - Step 5: Solve for x
x = 350,041,403,952.24/608,107.60 - Step 6: Final answer
x = 575,624.12
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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.