Finding the Fourth Proportional to 927,716.42, 1,281,028.84 and 697,875.32
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Solution
The fourth proportional to 927,716.42, 1,281,028.84 and 697,875.32 is: 963,654.83
Step by Step Solution
- Step 1: Write the proportion equation
927,716.42 : 1,281,028.84 = 697,875.32 : x - Step 2: Convert to fraction form
927,716.42/1,281,028.84 = 697,875.32/x - Step 3: Cross multiply
927,716.42x = 1,281,028.84 × 697,875.32 - Step 4: Simplify right side
927,716.42x = 893,998,411,644.23 - Step 5: Solve for x
x = 893,998,411,644.23/927,716.42 - Step 6: Final answer
x = 963,654.83
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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.