Finding the Fourth Proportional to 723,799.80, 1,085,699.70 and 537,175.80
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Solution
The fourth proportional to 723,799.80, 1,085,699.70 and 537,175.80 is: 805,763.70
Step by Step Solution
- Step 1: Write the proportion equation
723,799.80 : 1,085,699.70 = 537,175.80 : x - Step 2: Convert to fraction form
723,799.80/1,085,699.70 = 537,175.80/x - Step 3: Cross multiply
723,799.80x = 1,085,699.70 × 537,175.80 - Step 4: Simplify right side
723,799.80x = 583,211,604,907.26 - Step 5: Solve for x
x = 583,211,604,907.26/723,799.80 - Step 6: Final answer
x = 805,763.70
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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.