Finding the Fourth Proportional to 758,673.68, 1,046,938.70 and 414,521.53
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Solution
The fourth proportional to 758,673.68, 1,046,938.70 and 414,521.53 is: 572,022.79
Step by Step Solution
- Step 1: Write the proportion equation
758,673.68 : 1,046,938.70 = 414,521.53 : x - Step 2: Convert to fraction form
758,673.68/1,046,938.70 = 414,521.53/x - Step 3: Cross multiply
758,673.68x = 1,046,938.70 × 414,521.53 - Step 4: Simplify right side
758,673.68x = 433,978,630,159.17 - Step 5: Solve for x
x = 433,978,630,159.17/758,673.68 - Step 6: Final answer
x = 572,022.79
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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.