Finding the Fourth Proportional to 542,506.47, 748,852.68 and 370,301.18
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Solution
The fourth proportional to 542,506.47, 748,852.68 and 370,301.18 is: 511,147.88
Step by Step Solution
- Step 1: Write the proportion equation
542,506.47 : 748,852.68 = 370,301.18 : x - Step 2: Convert to fraction form
542,506.47/748,852.68 = 370,301.18/x - Step 3: Cross multiply
542,506.47x = 748,852.68 × 370,301.18 - Step 4: Simplify right side
542,506.47x = 277,301,031,050.16 - Step 5: Solve for x
x = 277,301,031,050.16/542,506.47 - Step 6: Final answer
x = 511,147.88
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1.5x scale
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.