Finding the Fourth Proportional to 963,704.16, 1,329,914.16 and 533,980.80
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Solution
The fourth proportional to 963,704.16, 1,329,914.16 and 533,980.80 is: 736,894.84
Step by Step Solution
- Step 1: Write the proportion equation
963,704.16 : 1,329,914.16 = 533,980.80 : x - Step 2: Convert to fraction form
963,704.16/1,329,914.16 = 533,980.80/x - Step 3: Cross multiply
963,704.16x = 1,329,914.16 × 533,980.80 - Step 4: Simplify right side
963,704.16x = 710,148,627,088.13 - Step 5: Solve for x
x = 710,148,627,088.13/963,704.16 - Step 6: Final answer
x = 736,894.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.