Finding the Fourth Proportional to 704,727.76, 972,526.86 and 382,437.76
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Solution
The fourth proportional to 704,727.76, 972,526.86 and 382,437.76 is: 527,765.49
Step by Step Solution
- Step 1: Write the proportion equation
704,727.76 : 972,526.86 = 382,437.76 : x - Step 2: Convert to fraction form
704,727.76/972,526.86 = 382,437.76/x - Step 3: Cross multiply
704,727.76x = 972,526.86 × 382,437.76 - Step 4: Simplify right side
704,727.76x = 371,930,993,878.23 - Step 5: Solve for x
x = 371,930,993,878.23/704,727.76 - Step 6: Final answer
x = 527,765.49
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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.