Finding the Fourth Proportional to 688,718.79, 1,033,101.50 and 183,280.26
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Solution
The fourth proportional to 688,718.79, 1,033,101.50 and 183,280.26 is: 274,926.59
Step by Step Solution
- Step 1: Write the proportion equation
688,718.79 : 1,033,101.50 = 183,280.26 : x - Step 2: Convert to fraction form
688,718.79/1,033,101.50 = 183,280.26/x - Step 3: Cross multiply
688,718.79x = 1,033,101.50 × 183,280.26 - Step 4: Simplify right side
688,718.79x = 189,347,110,609.99 - Step 5: Solve for x
x = 189,347,110,609.99/688,718.79 - Step 6: Final answer
x = 274,926.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.