Finding the Fourth Proportional to 891,153.80, 1,336,730.70 and 849,681.80
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Solution
The fourth proportional to 891,153.80, 1,336,730.70 and 849,681.80 is: 1,274,522.70
Step by Step Solution
- Step 1: Write the proportion equation
891,153.80 : 1,336,730.70 = 849,681.80 : x - Step 2: Convert to fraction form
891,153.80/1,336,730.70 = 849,681.80/x - Step 3: Cross multiply
891,153.80x = 1,336,730.70 × 849,681.80 - Step 4: Simplify right side
891,153.80x = 1,135,795,747,291.26 - Step 5: Solve for x
x = 1,135,795,747,291.26/891,153.80 - Step 6: Final answer
x = 1,274,522.70
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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.