Finding the Fourth Proportional to 745,281.04, 1,028,155.56 and 503,485.84
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Solution
The fourth proportional to 745,281.04, 1,028,155.56 and 503,485.84 is: 694,585.99
Step by Step Solution
- Step 1: Write the proportion equation
745,281.04 : 1,028,155.56 = 503,485.84 : x - Step 2: Convert to fraction form
745,281.04/1,028,155.56 = 503,485.84/x - Step 3: Cross multiply
745,281.04x = 1,028,155.56 × 503,485.84 - Step 4: Simplify right side
745,281.04x = 517,661,765,777.27 - Step 5: Solve for x
x = 517,661,765,777.27/745,281.04 - Step 6: Final answer
x = 694,585.99
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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.