Finding the Fourth Proportional to 704,890.76, 972,723.20 and 382,594.05
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Solution
The fourth proportional to 704,890.76, 972,723.20 and 382,594.05 is: 527,965.65
Step by Step Solution
- Step 1: Write the proportion equation
704,890.76 : 972,723.20 = 382,594.05 : x - Step 2: Convert to fraction form
704,890.76/972,723.20 = 382,594.05/x - Step 3: Cross multiply
704,890.76x = 972,723.20 × 382,594.05 - Step 4: Simplify right side
704,890.76x = 372,158,106,703.99 - Step 5: Solve for x
x = 372,158,106,703.99/704,890.76 - Step 6: Final answer
x = 527,965.65
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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.