Finding the Fourth Proportional to 913,705.84, 1,370,870.10 and 274,025.08
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Solution
The fourth proportional to 913,705.84, 1,370,870.10 and 274,025.08 is: 411,130.99
Step by Step Solution
- Step 1: Write the proportion equation
913,705.84 : 1,370,870.10 = 274,025.08 : x - Step 2: Convert to fraction form
913,705.84/1,370,870.10 = 274,025.08/x - Step 3: Cross multiply
913,705.84x = 1,370,870.10 × 274,025.08 - Step 4: Simplify right side
913,705.84x = 375,652,788,822.11 - Step 5: Solve for x
x = 375,652,788,822.11/913,705.84 - Step 6: Final answer
x = 411,130.99
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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.