Finding the Fourth Proportional to 553,207.80, 829,811.70 and 553,207.80
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Solution
The fourth proportional to 553,207.80, 829,811.70 and 553,207.80 is: 829,811.70
Step by Step Solution
- Step 1: Write the proportion equation
553,207.80 : 829,811.70 = 553,207.80 : x - Step 2: Convert to fraction form
553,207.80/829,811.70 = 553,207.80/x - Step 3: Cross multiply
553,207.80x = 829,811.70 × 553,207.80 - Step 4: Simplify right side
553,207.80x = 459,058,304,971.26 - Step 5: Solve for x
x = 459,058,304,971.26/553,207.80 - Step 6: Final answer
x = 829,811.70
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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.