Finding the Fourth Proportional to 897,130.08, 1,238,055.84 and 489,236.76
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Solution
The fourth proportional to 897,130.08, 1,238,055.84 and 489,236.76 is: 675,155.63
Step by Step Solution
- Step 1: Write the proportion equation
897,130.08 : 1,238,055.84 = 489,236.76 : x - Step 2: Convert to fraction form
897,130.08/1,238,055.84 = 489,236.76/x - Step 3: Cross multiply
897,130.08x = 1,238,055.84 × 489,236.76 - Step 4: Simplify right side
897,130.08x = 605,702,427,860.68 - Step 5: Solve for x
x = 605,702,427,860.68/897,130.08 - Step 6: Final answer
x = 675,155.63
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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.