Finding the Fourth Proportional to 707,582.55, 976,214.84 and 462,710.65
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Solution
The fourth proportional to 707,582.55, 976,214.84 and 462,710.65 is: 638,377.82
Step by Step Solution
- Step 1: Write the proportion equation
707,582.55 : 976,214.84 = 462,710.65 : x - Step 2: Convert to fraction form
707,582.55/976,214.84 = 462,710.65/x - Step 3: Cross multiply
707,582.55x = 976,214.84 × 462,710.65 - Step 4: Simplify right side
707,582.55x = 451,705,002,977.96 - Step 5: Solve for x
x = 451,705,002,977.96/707,582.55 - Step 6: Final answer
x = 638,377.82
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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.