Finding the Fourth Proportional to 465,726.80, 698,590.20 and 288,579.80
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Solution
The fourth proportional to 465,726.80, 698,590.20 and 288,579.80 is: 432,869.70
Step by Step Solution
- Step 1: Write the proportion equation
465,726.80 : 698,590.20 = 288,579.80 : x - Step 2: Convert to fraction form
465,726.80/698,590.20 = 288,579.80/x - Step 3: Cross multiply
465,726.80x = 698,590.20 × 288,579.80 - Step 4: Simplify right side
465,726.80x = 201,599,020,197.96 - Step 5: Solve for x
x = 201,599,020,197.96/465,726.80 - Step 6: Final answer
x = 432,869.70
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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.