Finding the Fourth Proportional to 745,237.35, 1,028,561.75 and 439,295.62
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Solution
The fourth proportional to 745,237.35, 1,028,561.75 and 439,295.62 is: 606,307.07
Step by Step Solution
- Step 1: Write the proportion equation
745,237.35 : 1,028,561.75 = 439,295.62 : x - Step 2: Convert to fraction form
745,237.35/1,028,561.75 = 439,295.62/x - Step 3: Cross multiply
745,237.35x = 1,028,561.75 × 439,295.62 - Step 4: Simplify right side
745,237.35x = 451,842,671,674.54 - Step 5: Solve for x
x = 451,842,671,674.54/745,237.35 - Step 6: Final answer
x = 606,307.07
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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.