Finding the Fourth Proportional to 752,703.13, 1,038,738 and 408,541.87
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Solution
The fourth proportional to 752,703.13, 1,038,738 and 408,541.87 is: 563,791.95
Step by Step Solution
- Step 1: Write the proportion equation
752,703.13 : 1,038,738 = 408,541.87 : x - Step 2: Convert to fraction form
752,703.13/1,038,738 = 408,541.87/x - Step 3: Cross multiply
752,703.13x = 1,038,738 × 408,541.87 - Step 4: Simplify right side
752,703.13x = 424,367,964,960.06 - Step 5: Solve for x
x = 424,367,964,960.06/752,703.13 - Step 6: Final answer
x = 563,791.95
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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.