Finding the Fourth Proportional to 473,107.20, 709,660.80 and 465,331.20
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Solution
The fourth proportional to 473,107.20, 709,660.80 and 465,331.20 is: 697,996.80
Step by Step Solution
- Step 1: Write the proportion equation
473,107.20 : 709,660.80 = 465,331.20 : x - Step 2: Convert to fraction form
473,107.20/709,660.80 = 465,331.20/x - Step 3: Cross multiply
473,107.20x = 709,660.80 × 465,331.20 - Step 4: Simplify right side
473,107.20x = 330,227,311,656.96 - Step 5: Solve for x
x = 330,227,311,656.96/473,107.20 - Step 6: Final answer
x = 697,996.80
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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.