Finding the Fourth Proportional to 817,699.06, 1,226,752.71 and 285,227.74
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Solution
The fourth proportional to 817,699.06, 1,226,752.71 and 285,227.74 is: 427,912.81
Step by Step Solution
- Step 1: Write the proportion equation
817,699.06 : 1,226,752.71 = 285,227.74 : x - Step 2: Convert to fraction form
817,699.06/1,226,752.71 = 285,227.74/x - Step 3: Cross multiply
817,699.06x = 1,226,752.71 × 285,227.74 - Step 4: Simplify right side
817,699.06x = 349,903,903,012.18 - Step 5: Solve for x
x = 349,903,903,012.18/817,699.06 - Step 6: Final answer
x = 427,912.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.