Finding the Fourth Proportional to 483,497.80, 725,246.70 and 372,905.80
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Solution
The fourth proportional to 483,497.80, 725,246.70 and 372,905.80 is: 559,358.70
Step by Step Solution
- Step 1: Write the proportion equation
483,497.80 : 725,246.70 = 372,905.80 : x - Step 2: Convert to fraction form
483,497.80/725,246.70 = 372,905.80/x - Step 3: Cross multiply
483,497.80x = 725,246.70 × 372,905.80 - Step 4: Simplify right side
483,497.80x = 270,448,700,860.86 - Step 5: Solve for x
x = 270,448,700,860.86/483,497.80 - Step 6: Final answer
x = 559,358.70
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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.