Finding the Fourth Proportional to 936,585.57, 1,292,488.07 and 506,865.70
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Solution
The fourth proportional to 936,585.57, 1,292,488.07 and 506,865.70 is: 699,474.65
Step by Step Solution
- Step 1: Write the proportion equation
936,585.57 : 1,292,488.07 = 506,865.70 : x - Step 2: Convert to fraction form
936,585.57/1,292,488.07 = 506,865.70/x - Step 3: Cross multiply
936,585.57x = 1,292,488.07 × 506,865.70 - Step 4: Simplify right side
936,585.57x = 655,117,862,153.24 - Step 5: Solve for x
x = 655,117,862,153.24/936,585.57 - Step 6: Final answer
x = 699,474.65
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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.