Finding the Fourth Proportional to 834,122.05, 1,151,089.92 and 452,149.74
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Solution
The fourth proportional to 834,122.05, 1,151,089.92 and 452,149.74 is: 623,967.45
Step by Step Solution
- Step 1: Write the proportion equation
834,122.05 : 1,151,089.92 = 452,149.74 : x - Step 2: Convert to fraction form
834,122.05/1,151,089.92 = 452,149.74/x - Step 3: Cross multiply
834,122.05x = 1,151,089.92 × 452,149.74 - Step 4: Simplify right side
834,122.05x = 520,465,008,044.62 - Step 5: Solve for x
x = 520,465,008,044.62/834,122.05 - Step 6: Final answer
x = 623,967.45
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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.