Finding the Fourth Proportional to 542,909.84, 814,364.74 and 294,077.84
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Solution
The fourth proportional to 542,909.84, 814,364.74 and 294,077.84 is: 441,116.75
Step by Step Solution
- Step 1: Write the proportion equation
542,909.84 : 814,364.74 = 294,077.84 : x - Step 2: Convert to fraction form
542,909.84/814,364.74 = 294,077.84/x - Step 3: Cross multiply
542,909.84x = 814,364.74 × 294,077.84 - Step 4: Simplify right side
542,909.84x = 239,486,623,711.36 - Step 5: Solve for x
x = 239,486,623,711.36/542,909.84 - Step 6: Final answer
x = 441,116.75
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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.