Finding the Fourth Proportional to 705,291.63, 973,966.74 and 491,017.62
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Solution
The fourth proportional to 705,291.63, 973,966.74 and 491,017.62 is: 678,066.79
Step by Step Solution
- Step 1: Write the proportion equation
705,291.63 : 973,966.74 = 491,017.62 : x - Step 2: Convert to fraction form
705,291.63/973,966.74 = 491,017.62/x - Step 3: Cross multiply
705,291.63x = 973,966.74 × 491,017.62 - Step 4: Simplify right side
705,291.63x = 478,234,830,633.96 - Step 5: Solve for x
x = 478,234,830,633.96/705,291.63 - Step 6: Final answer
x = 678,066.79
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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.