Finding the Fourth Proportional to 778,595.99, 1,074,279.09 and 472,664.66
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Solution
The fourth proportional to 778,595.99, 1,074,279.09 and 472,664.66 is: 652,165.91
Step by Step Solution
- Step 1: Write the proportion equation
778,595.99 : 1,074,279.09 = 472,664.66 : x - Step 2: Convert to fraction form
778,595.99/1,074,279.09 = 472,664.66/x - Step 3: Cross multiply
778,595.99x = 1,074,279.09 × 472,664.66 - Step 4: Simplify right side
778,595.99x = 507,773,760,819.96 - Step 5: Solve for x
x = 507,773,760,819.96/778,595.99 - Step 6: Final answer
x = 652,165.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.