Finding the Fourth Proportional to 517,718.99, 714,672.65 and 348,051.53
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Solution
The fourth proportional to 517,718.99, 714,672.65 and 348,051.53 is: 480,459.31
Step by Step Solution
- Step 1: Write the proportion equation
517,718.99 : 714,672.65 = 348,051.53 : x - Step 2: Convert to fraction form
517,718.99/714,672.65 = 348,051.53/x - Step 3: Cross multiply
517,718.99x = 714,672.65 × 348,051.53 - Step 4: Simplify right side
517,718.99x = 248,742,907,494.97 - Step 5: Solve for x
x = 248,742,907,494.97/517,718.99 - Step 6: Final answer
x = 480,459.31
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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.