Finding the Fourth Proportional to 706,076.98, 974,855.45 and 542,442.06
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Solution
The fourth proportional to 706,076.98, 974,855.45 and 542,442.06 is: 748,930.52
Step by Step Solution
- Step 1: Write the proportion equation
706,076.98 : 974,855.45 = 542,442.06 : x - Step 2: Convert to fraction form
706,076.98/974,855.45 = 542,442.06/x - Step 3: Cross multiply
706,076.98x = 974,855.45 × 542,442.06 - Step 4: Simplify right side
706,076.98x = 528,802,598,500.23 - Step 5: Solve for x
x = 528,802,598,500.23/706,076.98 - Step 6: Final answer
x = 748,930.52
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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.