Finding the Fourth Proportional to 937,977.84, 1,294,413.94 and 508,258.76
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Solution
The fourth proportional to 937,977.84, 1,294,413.94 and 508,258.76 is: 701,399.54
Step by Step Solution
- Step 1: Write the proportion equation
937,977.84 : 1,294,413.94 = 508,258.76 : x - Step 2: Convert to fraction form
937,977.84/1,294,413.94 = 508,258.76/x - Step 3: Cross multiply
937,977.84x = 1,294,413.94 × 508,258.76 - Step 4: Simplify right side
937,977.84x = 657,897,224,071.11 - Step 5: Solve for x
x = 657,897,224,071.11/937,977.84 - Step 6: Final answer
x = 701,399.54
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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.