Finding the Fourth Proportional to 963,968.55, 1,330,276.73 and 534,276.42
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Solution
The fourth proportional to 963,968.55, 1,330,276.73 and 534,276.42 is: 737,301.53
Step by Step Solution
- Step 1: Write the proportion equation
963,968.55 : 1,330,276.73 = 534,276.42 : x - Step 2: Convert to fraction form
963,968.55/1,330,276.73 = 534,276.42/x - Step 3: Cross multiply
963,968.55x = 1,330,276.73 × 534,276.42 - Step 4: Simplify right side
963,968.55x = 710,735,488,913.71 - Step 5: Solve for x
x = 710,735,488,913.71/963,968.55 - Step 6: Final answer
x = 737,301.53
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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.