Finding the Fourth Proportional to 528,525.68, 729,971.40 and 348,044.72
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Solution
The fourth proportional to 528,525.68, 729,971.40 and 348,044.72 is: 480,700.75
Step by Step Solution
- Step 1: Write the proportion equation
528,525.68 : 729,971.40 = 348,044.72 : x - Step 2: Convert to fraction form
528,525.68/729,971.40 = 348,044.72/x - Step 3: Cross multiply
528,525.68x = 729,971.40 × 348,044.72 - Step 4: Simplify right side
528,525.68x = 254,062,691,521.01 - Step 5: Solve for x
x = 254,062,691,521.01/528,525.68 - Step 6: Final answer
x = 480,700.75
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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.