Finding the Fourth Proportional to 917,248.41, 1,376,413.89 and 349,107.79
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Solution
The fourth proportional to 917,248.41, 1,376,413.89 and 349,107.79 is: 523,867.70
Step by Step Solution
- Step 1: Write the proportion equation
917,248.41 : 1,376,413.89 = 349,107.79 : x - Step 2: Convert to fraction form
917,248.41/1,376,413.89 = 349,107.79/x - Step 3: Cross multiply
917,248.41x = 1,376,413.89 × 349,107.79 - Step 4: Simplify right side
917,248.41x = 480,516,811,263.20 - Step 5: Solve for x
x = 480,516,811,263.20/917,248.41 - Step 6: Final answer
x = 523,867.70
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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.