Finding the Fourth Proportional to 528,010.60, 790,460.70 and 497,252.20
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Solution
The fourth proportional to 528,010.60, 790,460.70 and 497,252.20 is: 744,413.70
Step by Step Solution
- Step 1: Write the proportion equation
528,010.60 : 790,460.70 = 497,252.20 : x - Step 2: Convert to fraction form
528,010.60/790,460.70 = 497,252.20/x - Step 3: Cross multiply
528,010.60x = 790,460.70 × 497,252.20 - Step 4: Simplify right side
528,010.60x = 393,058,322,088.54 - Step 5: Solve for x
x = 393,058,322,088.54/528,010.60 - Step 6: Final answer
x = 744,413.70
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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.