Finding the Fourth Proportional to 755,055.19, 1,132,757.94 and 249,585.49
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Solution
The fourth proportional to 755,055.19, 1,132,757.94 and 249,585.49 is: 374,436.13
Step by Step Solution
- Step 1: Write the proportion equation
755,055.19 : 1,132,757.94 = 249,585.49 : x - Step 2: Convert to fraction form
755,055.19/1,132,757.94 = 249,585.49/x - Step 3: Cross multiply
755,055.19x = 1,132,757.94 × 249,585.49 - Step 4: Simplify right side
755,055.19x = 282,719,939,842.50 - Step 5: Solve for x
x = 282,719,939,842.50/755,055.19 - Step 6: Final answer
x = 374,436.13
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.