Finding the Fourth Proportional to 808,656.67, 1,212,856.45 and 268,868.06
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Solution
The fourth proportional to 808,656.67, 1,212,856.45 and 268,868.06 is: 403,259.35
Step by Step Solution
- Step 1: Write the proportion equation
808,656.67 : 1,212,856.45 = 268,868.06 : x - Step 2: Convert to fraction form
808,656.67/1,212,856.45 = 268,868.06/x - Step 3: Cross multiply
808,656.67x = 1,212,856.45 × 268,868.06 - Step 4: Simplify right side
808,656.67x = 326,098,360,769.99 - Step 5: Solve for x
x = 326,098,360,769.99/808,656.67 - Step 6: Final answer
x = 403,259.35
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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.