Finding the Fourth Proportional to 734,725.80, 1,102,088.70 and 616,627.80
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Solution
The fourth proportional to 734,725.80, 1,102,088.70 and 616,627.80 is: 924,941.70
Step by Step Solution
- Step 1: Write the proportion equation
734,725.80 : 1,102,088.70 = 616,627.80 : x - Step 2: Convert to fraction form
734,725.80/1,102,088.70 = 616,627.80/x - Step 3: Cross multiply
734,725.80x = 1,102,088.70 × 616,627.80 - Step 4: Simplify right side
734,725.80x = 679,578,530,485.86 - Step 5: Solve for x
x = 679,578,530,485.86/734,725.80 - Step 6: Final answer
x = 924,941.70
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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.