Finding the Fourth Proportional to 936,345.84, 1,292,148.06 and 506,616.54
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Solution
The fourth proportional to 936,345.84, 1,292,148.06 and 506,616.54 is: 699,125.85
Step by Step Solution
- Step 1: Write the proportion equation
936,345.84 : 1,292,148.06 = 506,616.54 : x - Step 2: Convert to fraction form
936,345.84/1,292,148.06 = 506,616.54/x - Step 3: Cross multiply
936,345.84x = 1,292,148.06 × 506,616.54 - Step 4: Simplify right side
936,345.84x = 654,623,579,324.91 - Step 5: Solve for x
x = 654,623,579,324.91/936,345.84 - Step 6: Final answer
x = 699,125.85
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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.