Finding the Fourth Proportional to 698,176.47, 964,051.70 and 569,135.19
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Solution
The fourth proportional to 698,176.47, 964,051.70 and 569,135.19 is: 785,869.72
Step by Step Solution
- Step 1: Write the proportion equation
698,176.47 : 964,051.70 = 569,135.19 : x - Step 2: Convert to fraction form
698,176.47/964,051.70 = 569,135.19/x - Step 3: Cross multiply
698,176.47x = 964,051.70 × 569,135.19 - Step 4: Simplify right side
698,176.47x = 548,675,744,603.65 - Step 5: Solve for x
x = 548,675,744,603.65/698,176.47 - Step 6: Final answer
x = 785,869.72
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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.