Finding the Fourth Proportional to 963,973.05, 1,330,282.97 and 534,280.92
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Solution
The fourth proportional to 963,973.05, 1,330,282.97 and 534,280.92 is: 737,307.76
Step by Step Solution
- Step 1: Write the proportion equation
963,973.05 : 1,330,282.97 = 534,280.92 : x - Step 2: Convert to fraction form
963,973.05/1,330,282.97 = 534,280.92/x - Step 3: Cross multiply
963,973.05x = 1,330,282.97 × 534,280.92 - Step 4: Simplify right side
963,973.05x = 710,744,806,400.53 - Step 5: Solve for x
x = 710,744,806,400.53/963,973.05 - Step 6: Final answer
x = 737,307.76
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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.