Finding the Fourth Proportional to 867,710, 1,302,406.70 and 418,746.84
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Solution
The fourth proportional to 867,710, 1,302,406.70 and 418,746.84 is: 628,526.45
Step by Step Solution
- Step 1: Write the proportion equation
867,710 : 1,302,406.70 = 418,746.84 : x - Step 2: Convert to fraction form
867,710/1,302,406.70 = 418,746.84/x - Step 3: Cross multiply
867,710x = 1,302,406.70 × 418,746.84 - Step 4: Simplify right side
867,710x = 545,378,690,019.83 - Step 5: Solve for x
x = 545,378,690,019.83/867,710 - Step 6: Final answer
x = 628,526.45
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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.