Finding the Fourth Proportional to 745,493.51, 1,028,754.02 and 455,590.08
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Solution
The fourth proportional to 745,493.51, 1,028,754.02 and 455,590.08 is: 628,697.80
Step by Step Solution
- Step 1: Write the proportion equation
745,493.51 : 1,028,754.02 = 455,590.08 : x - Step 2: Convert to fraction form
745,493.51/1,028,754.02 = 455,590.08/x - Step 3: Cross multiply
745,493.51x = 1,028,754.02 × 455,590.08 - Step 4: Simplify right side
745,493.51x = 468,690,123,994.17 - Step 5: Solve for x
x = 468,690,123,994.17/745,493.51 - Step 6: Final answer
x = 628,697.80
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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.