Finding the Fourth Proportional to 936,308.80, 1,292,106.13 and 506,588.92
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Solution
The fourth proportional to 936,308.80, 1,292,106.13 and 506,588.92 is: 699,092.70
Step by Step Solution
- Step 1: Write the proportion equation
936,308.80 : 1,292,106.13 = 506,588.92 : x - Step 2: Convert to fraction form
936,308.80/1,292,106.13 = 506,588.92/x - Step 3: Cross multiply
936,308.80x = 1,292,106.13 × 506,588.92 - Step 4: Simplify right side
936,308.80x = 654,566,648,922.08 - Step 5: Solve for x
x = 654,566,648,922.08/936,308.80 - Step 6: Final answer
x = 699,092.70
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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.